reglab/statecodes huggingface dataset:
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter III - Excavations › Section SPS 321.13 - Excavations adjacent to adjoining property

Current through June 24, 2024
(1) NOTICE. Any
					 person making or causing an excavation which may affect the lateral soil
					 support of adjoining property or buildings shall provide at least 30 days
					 written notice to all owners of adjoining buildings of the intention to
					 excavate. The notice shall state that adjoining buildings may require permanent
					 protection.
(a)
Exception.
The 30-day time limit for written notification may be waived if such waiver is
					 signed by the owner(s) of the adjoining properties.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter III - Excavations › Section SPS 321.14 - Excavations for footings and foundations

Current through June 24, 2024
(1) EXCAVATIONS
					 BELOW FOOTINGS AND FOUNDATIONS. No excavation shall be made below the footing
					 and foundation unless provisions are taken to prevent the collapse of the
					 footing or foundation.
(2)
					 EXCAVATIONS FOR FOOTINGS. All footings shall be located on undisturbed or
					 compacted soil, free of organic material, unless the footings are reinforced to
					 bridge poor soil conditions.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter IV - Footings › Section SPS 321.15 - Footings

Current through June 24, 2024
(1) GENERAL.
(a) The dwelling and attached structures,
					 such as decks and garages, shall be supported on a structural system designed
					 to transmit and safely distribute the loads to the soil.
(b) The loads for determining the footing
					 size shall include the weight of the live load, roof, walls, floors, pier or
					 column, plus the weight of the structural system and the soil over the
					 footing.
(c) Footings shall be
					 sized to not exceed the allowable material stresses.
(d) The bearing area shall be at least equal
					 to the area required to transfer the loads to the supporting soil without
					 exceeding the bearing capacity of the soil.
(e)
1.
					 Structures supported on floating slabs or similar shallow foundations may not
					 be physically attached to structures that are supported by footings that extend
					 below the frost line unless an isolation joint is used between the structures,
					 except as provided in subd. 2. This isolation shall extend for the full height
					 of the structure.
2. Exterior
					 ramps are not required to comply with subd. 1.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter IV - Footings › Section SPS 321.16 - Frost protection

Current through June 24, 2024
(1) GENERAL.
(a) Footings and foundations, including those
					 for landings and stoops, shall be placed below the frost penetration level or
					 at least 48 inches below adjacent grade, whichever is deeper, except as allowed
					 under sub. (2).
(b) Footings may
					 not be placed on frozen material.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter IV - Footings › Section SPS 321.17 - Drain tiles

Current through June 24, 2024
(1) DETERMINATION OF NEED.
(a)
New construction.
1. Except as provided under sub. (2), a
					 complete drain tile or pipe system shall be installed around the foundation of
					 dwellings under construction where groundwater occurs above the bottom of the
					 footing.
2. For the purposes of
					 this section, a complete drain tile or pipe system includes all of the
					 following:
a. The drain tile or pipe
					 installed inside and outside the foundation, except as allowed under s. SPS
					 321.17(3) (d) 1. b.
b. Bleeders
					 connecting the inside tile or pipe to the outside tile or pipe.
c. The sump pit or crock.
d. The discharge piping.
e. A pump or other means of discharging water
					 to grade.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter VI - Floors › Section SPS 321.19 - Floor design

Current through June 24, 2024
Floors shall support all dead loads plus the minimum unit
						live loads as set forth in s.
						SPS 321.02.
						The live loads shall be applied to act vertically and uniformly to each square
						foot of horizontal floor area. Basements shall be provided with wood or
						concrete or similar type floors that comply with s.
						SPS 321.20 or
						321.205.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter VI - Floors › Section SPS 321.20 - Concrete floors

Current through June 24, 2024
(1) When concrete floors are provided, the
					 thickness of the concrete shall measure at least 3 inches.
(2) When a concrete floor is placed in clay
					 soils, a 4-inch thick base course shall be placed in the subgrade consisting of
					 clean graded sand, gravel or crushed stone.
(3) When a concrete floor is placed on sand
					 or gravel soils, the base course may be omitted unless drain tile is installed.
					 If drain tile is installed, the requirements of s.
					 SPS 321.17 shall be
					 met.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter VI - Floors › Section SPS 321.203 - Garage floors

Current through June 24, 2024
(1) MATERIALS. Garage floors shall be
					 constructed of concrete or other noncombustible materials which are impermeable
					 to petroleum products. Slab-on-grade concrete garage floors shall be at least 4
					 inches thick and placed over at least 4 inches of granular fill.
Note:
It is not the intent of sub. (1) to
						require a concrete floor to be sealed to make it completely impermeable.
(2) CONFIGURATION. The floor shall
					 be sloped such that water is removed in accordance with one of the following:
(a) Water drains toward the overhead door or
					 to exterior grade such that no damage will be caused to any structural member
					 or wall covering of the garage or the dwelling.
(b) Water drains into an interior floor drain
					 that complies with the requirements of ch. SPS 382.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter VI - Floors › Section SPS 321.205 - Wood floors in contact with the ground

Current through June 24, 2024
Wood floors in contact with the ground shall comply with
						the requirements under s.
						SPS
						321.18(4).
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter VI - Floors › Section SPS 321.21 - Precast concrete floors

Current through June 24, 2024
Precast concrete floors shall be designed through
						structural analysis, or load tables furnished by the precast product fabricator
						may be used, provided the load tables were developed using structural analysis
						or load testing.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter VI - Floors › Section SPS 321.22 - Wood frame floors

Current through June 24, 2024
Unless designed through structural analysis, wood frame
						floors shall comply with the following requirements:
(1) FLOOR JOISTS.
(a)
General.
1. Floor joists shall comply with the
					 structural requirements and live load determination under s.
					 SPS 321.02.
Note:
See ch. SPS 325 Appendix A for design
						information.
2. Where the
					 joists of a floor system are parallel to, and located between bearing walls
					 above and below, the joists shall be doubled.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter VI - Floors › Section SPS 321.225 - Decks

Current through June 24, 2024
(1) Decks attached to dwellings and any
					 detached decks that serve an exit shall comply with the applicable provisions
					 of subchs. II to X of ch. SPS 321, including all of the following:
(a) Excavation requirements under s.
					 SPS
					 321.14;
(b) Footing requirements under s.
					 SPS 321.15(2)
					 (f);
(c) Frost penetration requirements under s.
					 SPS
					 321.16;
(d) Load requirements under s.
					 SPS
					 321.02;
(e) Stair, handrail and guard requirements of
					 s.
					 SPS
					 321.04.
(f) Decay protection requirements of s.
					 SPS
					 321.10.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter VII - Walls › Section SPS 321.23 - Wall design

Current through June 24, 2024
(1) LIVE AND DEAD LOADS. All walls shall
					 support all superimposed vertical dead loads and live loads from floors and
					 roofs.
(2) HORIZONTAL WIND LOAD.
					 Walls shall be designed to withstand a horizontal wind pressure of at least 20
					 pounds per square foot applied to the vertical projection of that portion of
					 the dwelling above grade. No wind load reduction shall be permitted for the
					 shielding effect of other buildings.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter VII - Walls › Section SPS 321.25 - Wood frame walls

Current through June 24, 2024
Unless designed through structural analysis, wood frame
						walls shall comply with the following requirements.
(1) STUD CONFIGURATION. Wood studs shall
					 comply with the size and spacing requirements indicated in Table 321.25-A.
					 Studs in the exterior walls shall be placed with the wide faces perpendicular
					 to the plane of the wall.
Note:
See ch. SPS 325 Appendix A for
						acceptable nailing schedule.
Note:
See s.
						SPS
						321.10 for requirements on treating wood for decay and
						termite resistance.
(2) TOP
					 PLATES.
(a)
General.
Except
					 as allowed under subd. 3., top plates shall be provided and configured as
					 follows:
1. Studs at bearing walls shall be
					 capped with double top plates.
2.
					 End joints in double top plates shall be offset at least 2 stud
					 spaces.
3. Double top plates shall
					 be overlapped at the corners and at intersections of partitions.
4. The plate immediately above the stud may
					 have a joint only when directly over the stud.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter VII - Walls › Section SPS 321.26 - Masonry walls

Current through June 24, 2024
Masonry walls shall be constructed in accordance with the
						requirements of this section.
(1) COLD
					 WEATHER WORK. When ambient air temperature is below 40°F, the cold weather
					 construction procedures under ACI 530.1 shall be followed.
Note:
The requirements for cold weather
						work are in sections 1.8 and 1.8C of the 2005 edition of the ACI
						standard.
(2) MASONRY
					 UNITS.
(a)
Unused concrete
					 units.
Previously unused concrete masonry units shall conform to the
					 ASTM C 90 standard.
(b)
Unused clay or shale units.
Previously unused clay or shale
					 masonry units shall conform to the appropriate ASTM standard: C 62; C 216; or C
					 652. Units which will be exposed to weathering or frost action shall be Grade
					 SW as specified in these standards.
(c)
Used masonry units.
All
					 previously used masonry units shall be free from physical defects which
					 interfere with the installation or impair the structural properties of the
					 unit.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter VIII - Roof and Ceilings › Section SPS 321.27 - Roof design and framing

Current through June 24, 2024
(1) STRUCTURAL
					 DESIGN.
(a)
General.
Roof
					 and roof-ceiling assemblies shall support all dead loads plus the minimum live
					 loads under par. (c) and s.
					 SPS
					 321.02.
(b)
Applicability of tables.
The joist and rafter tables in ch. SPS 325 Appendix A are valid for
					 roofs with a minimum slope of 3 in 12. Lesser slopes require engineering
					 analysis or shall be provided with a ridge beam.
(c)
Sloped roof snow loads.
Snow loads specified in s.
					 SPS 321.02(1) (b)
					 2. may be reduced for roof slopes greater
					 than 30° by multiplying the snow load by Cs. The value of Cs shall be
					 determined by the following:
Click to
						view image
where a is the slope of the roof expressed in
						degrees.
Note:
A roof pitch of 7 in 12 is equal to
						30°.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter VIII - Roof and Ceilings › Section SPS 321.28 - Weather protection for roofs

Current through June 24, 2024
(1) GENERAL.
(a) All roofs shall be designed and
					 constructed to assure drainage of water
(b) All fasteners shall be corrosion
					 resistant.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter IX - Fireplace Requirements › Section SPS 321.29 - Masonry fireplaces

Current through June 24, 2024
Masonry fireplaces shall be constructed of masonry, stone
						or concrete. Masonry fireplaces shall be supported on foundations of concrete
						or masonry. Structural walls shall be at least 8 inches thick. Masonry
						fireplaces shall conform to the following requirements:
(1) FLUE SIZE. The fireplace flue size shall
					 be based on the type of flue and the fireplace opening indicated in Table
					 321.29.
Table 321.29
MINIMUM FLUE SIZE FOR MASONRY
						FIREPLACES
Type of Flue
Minimum Cross-Sectional
									 Area
Round
1/12 of fireplace
									 opening but not less than 75 square inches.
Square or rectangular
1/10 of fireplace
									 opening but not less than 75 square inches.
(2)
					 TERMINATION OF CHIMNEY. Masonry fireplace chimneys shall extend at least 3 feet
					 above the highest point where the chimney passes through the roof and at least
					 2 feet higher than any portion of the dwelling within 10 feet of the
					 chimney.
(3) FIREBOX MATERIALS. The
					 firebox shall be of the preformed metal type, at least ¼-inch thick, or
					 listed by a nationally recognized laboratory; or shall be lined with firebrick,
					 at least 2 inches thick and laid in thin joints of refractory cement. The back
					 and sidewalls of the firebox, including the lining, shall be at least 8 inches
					 nominally thick masonry, at least 4 inches of which shall be solid.
(4) LINTEL. Masonry over the fireplace
					 opening shall be supported by a lintel of steel or masonry.
(5) DUCTS. Warm-air circulating ducts shall
					 be constructed of masonry or metal.
(5m) RETURN AIR GRILLES. Return air grilles
					 shall not be located in bathrooms, kitchens, garages, utility spaces or in a
					 confined space defined under s.
					 SPS 323.06 in
					 which a draft diverter or draft regulator is located.
(6) HEARTH EXTENSION.
(a) Masonry fireplaces shall have a hearth
					 extension made of noncombustible material.
(b) The structural support for the hearth and
					 hearth extension shall be a minimum of 4 inches of reinforced
					 concrete.
(c) There shall be no
					 structural framing material within 1 inch of the hearth or hearth extension in
					 any direction. Any wooden forms or supports used during construction shall be
					 removed.
(d) The minimum dimensions
					 of the hearth extension shall be in accordance with Table 321.29-1.
Table 321.29-1
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter IX - Fireplace Requirements › Section SPS 321.30 - Masonry chimneys

Current through June 24, 2024
(1) MATERIALS. No masonry chimney shall rest
					 upon wood. The foundation shall be designed and built in conformity with the
					 requirements for foundations. Masonry chimney walls shall be at least 4 inches
					 in nominal thickness. Hollow cored masonry units may be used to meet the 4 inch
					 nominal thickness requirement.
(2)
					 FLUE SIZE. Chimney flues for appliances shall be at least equal in area to that
					 of the area of the connector from the appliance.
(3) MULTIPLE FLUE SEPARATION. When more than
					 one flue is contained in the same chimney, a masonry separation of at least 4
					 inches nominal in thickness shall be provided between the individual flues. The
					 joints of adjacent flue linings shall be staggered by at least 7
					 inches.
(4) CORBELING. Unless
					 designed through structural analysis, masonry chimneys shall not be corbeled
					 from a wall more than 6 inches nor shall a masonry chimney be corbeled from a
					 wall less than 12 inches in nominal thickness unless it projects equally on
					 each side of the wall. The corbeling shall not exceed one-inch projection for
					 each brick course.
(5) INLETS.
					 Inlets to masonry chimneys shall enter the side and be provided with thimbles.
					 Thimbles shall be at least No. 24 manufacturer's standard gauge (0.024 inch) or
					 5/ 8-inch thick, refractory material. Each chimney shall have an inlet
					 installed at the time of construction.
(6) CLEAN-OUT OPENING. Every masonry chimney
					 shall be provided with a clean-out opening at the base. Such openings shall be
					 equipped with metal doors and frames arranged to remain closed when not in use.
					 Clean-out openings shall be located below the lowest inlet to the
					 flue.
(7) FLUE LINERS.
(a) Masonry chimneys shall be lined with a
					 material that will resist corrosion, softening and cracking at temperatures up
					 to 1800°F, such as vitrified clay sewer pipe or minimum 5/8-inch thick
					 fireclay lining material.
(b) All
					 flue liners shall be laid in a full bed of refractory mortar or refractory
					 cement.
(c) Variations in inside
					 and outside dimensions shall not exceed ¼ inch for clay flue
					 liners.
(d) There shall be a
					 minimum clearance of ½-inch and a maximum clearance of 1-inch between
					 the flue liner and the chimney walls.
(e) Unless serving a masonry fireplace under
					 s.
					 SPS 321.29,
					 flue liners shall commence at the chimney footing.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter IX - Fireplace Requirements › Section SPS 321.32 - Factory-built fireplaces

Current through June 24, 2024
Factory-built fireplaces consisting of a fire chamber
						assembly, one or more chimney sections, a roof assembly and other parts shall
						be tested and listed by a nationally recognized testing laboratory.
(1) FIREPLACE ASSEMBLY AND MAINTENANCE. The
					 fireplace assembly shall be erected and maintained in accordance with the
					 conditions of the listing.
(a) All joints
					 between the wall or decorative facing material and the fireplace unit shall be
					 completely sealed, firestopped or draft-stopped with a noncombustible caulk or
					 equivalent.
(b) Doors installed on
					 factory built fireplaces shall conform with the terms of the listing and the
					 manufacturers installation instructions for the fireplace unit.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter X - Construction in Floodplains › Section SPS 321.33 - Construction in floodplains

Current through June 24, 2024
(1) GENERAL. Where
					 dwelling construction is allowed by local zoning ordinances to take place in
					 floodfringe areas of floodplains, the dwelling shall meet the requirements of
					 this subchapter.
Note:
The department of natural resources
						(DNR) and the federal emergency management agency (FEMA) also have regulations
						that apply to construction in floodfringe areas.
(2) ELEVATION.
(a)
General.
Except as
					 provided in pars. (b) and (c), all dwellings constructed within a floodfringe
					 area shall be elevated so the lowest floor and all basement floor surfaces are
					 located at or above the base flood elevation.
(b)
Certified floodproof
					 basements.
Floodproof basements may have the top of the basement floor
					 no more than 5 feet below the base flood elevation provided the basement is
					 designed by a registered architect or engineer to be watertight and
					 impermeable. No limitation is placed on the use or occupancy of a certified
					 floodproof basement by the provisions of this subchapter.
(c)
Other enclosed spaces.
1. Enclosed spaces not meeting the
					 requirements of par. (b) are allowed at any depth below the base flood
					 elevation provided the spaces are used only for one or more of the following
					 purposes:
a. Means of egress.
b. Entrance foyers.
c. Stairways.
d. Incidental storage of portable or mobile
					 items.
2. Fully enclosed
					 spaces used only for those purposes listed in subd. 1. shall be designed to
					 automatically equalize the hydrostatic pressure on exterior walls by allowing
					 the entry and exit of floodwaters. Designs for meeting this requirement shall
					 be certified by a registered architect or engineer or shall meet all of the
					 following requirements:
a. There shall be at
					 least 2 pressure relieving openings and the openings shall have a total net
					 area of not less than one square inch for every square foot of enclosed area
					 subject to flooding.
b. The bottom
					 of all openings shall be no more than 12 inches above grade.
c. Openings may not be equipped with screens,
					 louvers, valves or other coverings or devices unless such devices permit the
					 automatic entry and discharge of floodwaters.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 321 - Construction Standards › Subchapter X - Construction in Floodplains › Section SPS 321.34 - Construction in coastal floodplains

Current through June 24, 2024
(1) GENERAL. All
					 dwellings constructed in coastal floodplains shall be designed by a registered
					 architect or engineer and shall meet the requirements of this section and s.
					 SPS
					 321.33.
(2) ELEVATION. All dwellings constructed in a
					 coastal floodplain shall be elevated so the lowest portion of all structural
					 members supporting the lowest floor, with the exception of mat or raft
					 foundations, pilings, piling caps, columns, grade beams and bracing, is located
					 at or above the base flood elevation.
(3) ENCLOSURES BELOW BASE FLOOD ELEVATION.
					 Enclosures below the base flood elevation in a coastal floodplain may not be
					 used for human occupancy and shall be free of all obstructions, except for
					 non-loadbearing walls and partitions. Non-loadbearing walls and partitions
					 below base flood elevation shall be constructed to break away without causing
					 any structural damage to the elevated portion of the dwelling or foundation
					 system due to the effect of wind loads and water loads acting
					 simultaneously.
(4) FOUNDATIONS.
					 All dwellings located in a coastal floodplain shall be supported and anchored
					 on pilings or columns. The piling or column shall have adequate soil
					 penetration to resist combined water and wind loads at the base flood
					 elevation. Piling or column design shall consider the effect of scour of soil
					 strata. Mat or raft foundations to support columns may not be used where soil
					 under the mat or raft is subject to scour or other erosion from wave flow
					 conditions.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter I - Scope and Application › Section SPS 322.01 - Scope

Current through June 24, 2024
(1) This chapter applies to all one-and
					 2-family dwellings covered by this code that use any amount of non-renewable
					 energy for heat generation.
Note:
Non-renewable energy sources used for
						heat distribution only will not require compliance with this chapter.
Note:
Although the actual source of heat
						delivered by a heat pump is renewable, a dwelling using a heat pump is not
						exempt from the requirements of this chapter due to the required input of
						electricity to run the pump and compressor.
(2) The equipment efficiency standards in
					 this chapter apply to all one- and 2-family dwellings covered by this code that
					 use the respective equipment.
(3)
(a) The vapor retarder requirements under s.
					 SPS 322.38 and
					 the moisture control and ventilation requirements under s.
					 SPS
					 322.39 apply to any dwelling with insulation
					 installed, whether or not the insulation is required under this code.
(b) The vapor retarder requirements under s.
					 SPS 322.38 do not
					 apply to an unheated space, such as an attached, unheated garage.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter I - Scope and Application › Section SPS 322.02 - Application

Current through June 24, 2024
(1) This chapter is not intended to conflict
					 with any safety or health requirements. Where a conflict occurs, the safety and
					 health requirements shall govern.
(2) This chapter allows the designer the
					 option of using various methods to demonstrate compliance with thermal
					 performance requirements. The designer shall identify on the plan submittal
					 form what method or subchapter is being used, and indicate the design criteria
					 and how it is being applied. Unless specifically exempted, all requirements of
					 this chapter apply regardless of the method used.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter III - Insulation Materials and Installation › Section SPS 322.20 - Basic requirements

Current through June 24, 2024
(1) GENERAL. When available, information and
					 values on thermal properties, performance of building envelope sections and
					 components, and heat transfer shall be obtained from the ASHRAE Handbook of
					 Fundamentals.
(2) COMPUTATION OF
					 R-VALUES.
(a) Insulation material used in
					 layers, such as framing cavity insulation and insulating sheathing, shall be
					 summed to compute the component R-value.
(b) The manufacturer's settled R-value shall
					 be used for blown insulation.
(c)
					 Computed R-values may not include values for air films or for building
					 materials other than insulation materials.
Note:
The REScheck program will
						automatically account for air films and other building materials.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter III - Insulation Materials and Installation › Section SPS 322.21 - Protection of insulation

Current through June 24, 2024
(1) BLANKET
					 INSULATION. Insulating blankets or batts shall be held in place with a covering
					 or other means of mechanical or adhesive fastening.
Note:
If the insulation is on a below-grade
						wall, s.
						SPS
						322.38(4) may prohibit the use of
						vapor retarder material used as the covering.
(2) WIND WASH PROTECTION.
(a) Except as provided under s.
					 SPS
					 322.39(4) for cathedral ceilings, all
					 air-permeable insulation materials installed in any position other than
					 horizontal, shall be covered on the cold-in-winter side with a permanently
					 attached material of low air permeability to maintain the R-value of the
					 insulation.
Note:
Suitable materials for this purpose
						include house wrap permanently attached with batten strips, asphalt-impregnated
						felt or tar paper, plywood, oriented strand board or OSB, siding material,
						rigid insulation sheathing, etc.
(b) If non-rigid sheet material is used, it
					 shall be water vapor permeable.
Note:
Water vapor permeable materials for
						this purpose include house wrap permanently attached with batten strips and
						asphalt-impregnated felt or tar paper.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter IV - Dwelling Thermal Envelope › Section SPS 322.30 - General design requirements

Current through June 24, 2024
(1) GENERAL.
					 Dwelling thermal envelope insulation amounts and details shall be determined
					 using one of the methods described in this subchapter.
(2) INFILTRATION.
(a) Infiltration for heating design loads
					 shall be calculated based on a maximum of 0.5 air change per hour in the heated
					 space.
(b)
1. If the proposed design takes credit for a
					 reduced air change per hour level, documentation of the measures providing the
					 reduction or the results of a post-construction blower door test conducted in
					 accordance ASTM E 779 shall be provided to the department.
2. The minimum air change per hour rate may
					 not be less than 0.2, unless mechanical ventilation is provided.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter IV - Dwelling Thermal Envelope › Section SPS 322.31 - Prescriptive insulation and fenestration criteria

Current through June 24, 2024
(1) REQUIREMENTS.
(a) Except as specifically provided under
					 this subchapter, dwellings using the prescriptive method shall meet the
					 requirements of Table 322.31-1 or 322.31-2.
(b) In Tables 322.31-1 and 322.31-2, zone 2
					 consists of the following 15 northern counties: Ashland, Bayfield, Burnett,
					 Douglas, Florence, Forest, Iron, Langlade, Lincoln, Oneida, Price, Sawyer,
					 Taylor, Vilas and Washburn. Zone 1 consists of all other counties not included
					 in zone 2.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter IV - Dwelling Thermal Envelope › Section SPS 322.32 - Specific insulation requirements

Current through June 24, 2024
(1) CEILINGS WITH
					 ATTIC SPACES.
(a) R-38 will satisfy the
					 ceiling R-value requirement for a dwelling where the full height of
					 uncompressed R-38 insulation extends over the wall top plate at the
					 eaves.
(b) An attic-access cover
					 shall be weatherstripped and insulated to a level equivalent to the insulation
					 on the surrounding surfaces when the attic is an unconditioned space. A wood
					 framed or equivalent baffle or retainer is required to be provided when loose
					 fill insulation is installed, the purpose of which is to prevent loose fill
					 insulation from spilling into the living space when the attic access is opened,
					 and to provide a permanent means of maintaining the installed R-value of the
					 loose fill insulation.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter IV - Dwelling Thermal Envelope › Section SPS 322.33 - Slab floors

Current through June 24, 2024
(1) HEATED OR UNHEATED SLABS.
(a) Any heated or unheated slab floor, the
					 bottom of which is less than 12 inches below adjacent grade, shall be provided
					 with perimeter insulation in accordance with Table 322.31-1 or Table 322.31-4,
					 except as provided in par. (b).
(b)
					 At the threshold or the base of any door opening that leads directly to the
					 exterior of the structure, the vertical perimeter insulation shall be at least
					 R-5, excluding all garage doors.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter IV - Dwelling Thermal Envelope › Section SPS 322.34 - Crawl spaces

Current through June 24, 2024
(1) FROST PROTECTION. If the bottom of the
					 crawl space serving as the dwelling foundation is less than 48 inches below
					 adjacent grade, the foundation shall be frost protected in accordance with
					 Table 322.31-1 for frost protected slabs.
(2) VAPOR RETARDER. Any exposed earth in
					 crawl spaces shall be covered with a continuous vapor retarder.
(b) All decayable organic material, including
					 topsoil, shall be removed from crawl space floors prior to placing the vapor
					 retarder.
(c) All joints of the
					 vapor retarder shall overlap by 6 inches and be sealed or taped.
(d) The edges of the vapor retarder shall
					 extend at least 6 inches up the foundation wall and shall be attached and
					 sealed to the foundation wall or insulation.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter IV - Dwelling Thermal Envelope › Section SPS 322.35 - Thermally isolated sunrooms

Current through June 24, 2024
(1) The minimum
					 opaque ceiling insulation R-value shall be R-24. The minimum opaque wall
					 R-value shall be R-13.
(2) The
					 maximum fenestration U-factor shall be 0.50 and the maximum skylight U-factor
					 shall be 0.75.
(3) New walls,
					 windows and doors separating a sunroom from conditioned space shall meet the
					 building thermal envelope requirements.
(4) The temperature in the conditioned space
					 shall be controlled as a separate zone or shall use separate heating
					 equipment.
(5) Glazing in a
					 thermally-isolated sunroom is not considered to be in the dwelling thermal
					 envelope.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter IV - Dwelling Thermal Envelope › Section SPS 322.36 - Fenestration

Current through June 24, 2024
(1) AVERAGE U-FACTORS. An area-weighted
					 average of fenestration products may be used to satisfy the U-factor
					 requirements.
(2) MAXIMUM
					 FENESTRATION U-FACTOR. The area weighted average maximum fenestration U-factor
					 permitted using trade offs from s.
					 SPS
					 322.31(2) or subchapter VI shall be
					 0.40 for vertical fenestration, and 0.75 for skylights.
(3) GLAZED FENESTRATION EXEMPTION. Up to 15
					 square feet of glazed fenestration per dwelling unit may be exempt from
					 U-factor requirements of the chapter.
(4) OPAQUE DOOR EXEMPTION. One opaque door
					 assembly is exempted from the U-factor requirements of this chapter.
(5) REPLACEMENT FENESTRATION. Where an
					 existing fenestration unit is replaced with a new fenestration unit, including
					 sash and glazing, the replacement unit shall meet the U-factor requirements of
					 this chapter.
(6) CERTIFIED
					 PRODUCTS. Except as provided in sub. (7), fenestration rating, certification
					 and labeling of U-factors for windows, doors and skylights shall be in
					 accordance with NFRC 100.
(7)
					 DEFAULT VALUES. When a manufacturer has not determined product U-factor in
					 accordance with NFRC 100, U-factors shall be determined by assigning a default
					 value in accordance with Tables 322.36 -1 and 322.36-2. Where a composite of
					 materials of two different product types is used, the product shall be assigned
					 the higher U-factor.
TABLE 322.36-1
U-FACTOR DEFAULT TABLE FOR WINDOWS, GLAZED DOORS
						AND SKYLIGHTS 
						a
Metal without Thermal Break
Single Glazed
Double Glazed
Operable
1.27
0.87
Fixed
1.13
0.69
Door
1.26
0.80
Skylight
1.98
1.31
Site-assembled Skylight
1.36
0.82
Metal with Thermal Break
Operable
1.08
0.65
Fixed
1.07
0.63
Door
1.10
0.66
Skylight
1.89
1.11
Site-assembled Skylight
1.25
0.70
Vinyl or Metal-clad Wood
Operable
0.90
0.57
Fixed
0.98
0.56
Door
0.99
0.57
Skylight
1.75
1.05
Wood or Fiberglass
Operable
0.89
0.55
Fixed
0.98
0.56
Door
0.98
0.56
Skylight
1.47
0.84
a Glass block assemblies shall have a default value of
						0.60.
T
ABLE 322.36-2
U-FACTOR DEFAULT TABLE FOR NON-GLAZED
						DOORS
Steel Doors (1
¾
inches thick)
With Foam Core
Without Foam Core
0.35
0.60
Wood Doors (1
¾
inches
									 thick)
Without Storm Door
With Storm Door
Panel with 
									 7/16-inch
									 panels
0.54
0.36
Hollowcore flush
0.46
0.32
Panel with
									 11/8-inch panels
0.39
0.28
Solid core flush
0.40
0.26
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter IV - Dwelling Thermal Envelope › Section SPS 322.37 - Air leakage

Current through June 24, 2024
(1) GENERAL. The requirements of this section
					 apply to those components that separate interior conditioned space from a
					 garage or an unconditioned space.
(2) WINDOW AND DOOR ASSEMBLIES.
(a)
General.
Except as
					 specified in par. (b), windows, skylights and sliding glass doors shall have an
					 air infiltration rate of no more than 0.3 cfm per square foot, and swinging
					 doors no more than 0.5 cfm per square foot, when tested according to NFRC 400
					 or AAMA/WDMA/ CSA 101/I.S.2/A440 by an accredited, independent laboratory and
					 listed and labeled by the manufacturer.
(b)
Exception.
Site-constructed doors and windows shall be sealed with gasketing or
					 weatherstripping or shall be covered with a storm door or storm
					 window.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter IV - Dwelling Thermal Envelope › Section SPS 322.38 - Vapor retarders

Current through June 24, 2024
(1) GENERAL.
(a)
Definition.
Under this
					 section, a vapor retarder is a material with no intrinsic thermal or structural
					 properties that has a rating of 1.0 perm or less when tested in accordance with
					 ASTM standard E 96, Procedure A.
(b)
Continuity.
1. The vapor retarder shall be continuous.
					 All joints in a vapor retarder consisting of sheet material shall be overlapped
					 6 inches and taped or sealed, except as provided in subd. 2. Rips, punctures,
					 and voids in the vapor retarder shall be patched with vapor retarder materials
					 and taped or sealed. Seams that are not over a framing member shall be taped or
					 sealed.
2. Taping or sealing a vapor
					 retarder is not required around doors and windows, behind bathtub enclosures,
					 and at top and bottom wall plates, if the retarder is held to those materials
					 in an airtight manner by other building components, such as gypsum
					 wall-board.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter IV - Dwelling Thermal Envelope › Section SPS 322.39 - Ventilation and moisture control

Current through June 24, 2024
(1) GENERAL. Design
					 and construction shall prevent deterioration from moisture condensation and ice
					 damming.
(2) VENTED ATTICS.
(a)
1.
					 Except as allowed under subd. 6., where air-permeable ceiling or attic
					 insulation is installed in a horizontal position, ventilation shall be provided
					 above the insulation in accordance with this paragraph.
2. At least 50% of the net free ventilating
					 area shall be distributed at the high sides of the roof.
3. The remainder of the net free ventilating
					 area shall be distributed in the lower half of the roof or attic
					 area.
4. If more than 50%, but less
					 than 75% of the net free ventilating area is provided at the high sides of the
					 roof, the total net free ventilating area shall be a minimum of 1/300 of the
					 horizontal area of the ceiling.
5.
					 If 75% or more of the net free ventilating area is provided at the upper sides
					 of the roof, the total net free ventilating area shall be at least 1/150 of the
					 horizontal area of the ceiling.
6.
					 Ventilation is not required for separated roof areas, such as dormers,
					 bump-outs or bays that cover a floor area of 40 ft2 or less.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter V - Systems › Section SPS 322.40 - Indoor temperatures and equipment sizing

Current through June 24, 2024
(1) GENERAL. The
					 indoor temperatures listed under sub. (2) shall be used to determine the total
					 dwelling heat loss and to select the size of the of the heating
					 equipment.
(2) INDOOR DESIGN
					 TEMPERATURES. Unheated, non-habitable basement areas shall use a heating design
					 temperature of less than 50°F. All other areas of a dwelling shall use a
					 heating design temperature of 70°F.
(3) EQUIPMENT SIZING. Heating design loads
					 including ventilation loads for the purpose of sizing systems shall be
					 determined in accordance with the REScheck or REM/RATE software programs or one
					 of the procedures described in Chapter 29 of ASHRAE Handbook of
					 Fundamentals.
Residential heat balance, residential load factor,
						  Canadian F280 and ACCA Manuals J and S are among the methods recognized as
						  equipment-sizing protocols under chapter 29.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter V - Systems › Section SPS 322.41 - Temperature control

Current through June 24, 2024
(1) GENERAL. Each system shall be provided
					 with an adjustable thermostat for the regulation of temperature.
(2) CIRCULATING HOT WATER SYSTEMS.
					 Circulating hot water systems shall include an automatic or readily accessible
					 manual switch to turn off the circulating pump when the system is not in
					 use.
(3) MERCURY THERMOSTATS. The
					 installation of thermostats containing mercury is prohibited.
Note:
This section does not require the
						replacement of existing mercury-containing thermostats.
(4) HEAT PUMP SUPPLEMENTARY HEAT. Heat pumps
					 having supplementary electric-resistance heat shall have controls that, except
					 during defrost, prevent supplemental heat operation when the heat pump
					 compressor can meet the heating load.
Wisconsin Administrative Code › Department of Safety and Professional Services › SPS 301-399 - Safety, Buildings, and Environment › SPS 320-325 - Uniform Dwelling Code › Chapter SPS 322 - Energy Conservation › Subchapter V - Systems › Section SPS 322.42 - Duct systems

Current through June 24, 2024
(1) Supply and return heating ducts, or
					 portions thereof, that are not located completely within the thermal envelope,
					 shall be provided with insulation with a thermal resistance of at least
					 R-8.
(1m) Cooling supply ducts that
					 pass through unconditioned spaces conducive to condensation, such as attics,
					 shall be provided with insulation having a thermal resistance of at least R-8.
					 The exterior of that insulation shall be covered with a vapor retarder that
					 meets the requirements in s.
					 SPS
					 322.38(1)
(2) Building framing cavities may not be used
					 as supply ducts.