Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 14 - Exterior Walls › Section 1402 - DEFINITIONS › Subsection 1402.1 - General

Current through Register 1525, July 5, 2024
The following words and terms shall, for the purposes of
				  this chapter and as used elsewhere in this code, have the meanings shown
				  herein.
ADHERED MASONRY VENEER.
Veneer secured and
				  supported through the adhesion of an
approved
bonding material
				  applied to an
approved
backing.
ANCHORED MASONRY VENEER.
Veneer secured with
approved
mechanical fasteners to an
approved
backing.
BACKING.
The wall or surface to which the veneer
				  is secured.
EXTERIOR INSULATION AND FINISH SYSTEMS (EIFS).
EIFS are nonstructural, nonload-bearing,
exterior wall
cladding systems that consist of an insulation board attached either adhesively
				  or mechanically, or both, to the substrate; an integrally reinforced base coat
				  and a textured protective finish coat.
EXTERIOR INSULATION AND FINISH SYSTEMS (EIFS) WITH
				  DRAINAGE.
An EIFS that incorporates a means of drainage applied over a
water-resistive barrier
.
EXTERIOR WALL.
A wall, bearing or nonbearing,
				  that is used as an enclosing wall for a building, other than a
fire
				  wall
, and that has a slope of 60 degrees (1.05 rad) or greater with
				  the horizontal plane.
EXTERIOR WALL COVERING.
A material or assembly
				  of materials applied on the exterior side of exterior walls for the purpose of
				  providing a weather-resisting barrier, insulation or for aesthetics, including
				  but not limited to, veneers, siding, exterior insulation and finish systems,
				  architectural
trim
and embellishments such as cornices,
				  soffits, facias, gutters and leaders.
EXTERIOR WALL ENVELOPE.
A system or assembly of
exterior wall
components, including
exterior
				  wall
finish materials, that provides protection of the building
				  structural members, including framing and sheathing materials, and conditioned
				  interior space, from the detrimental effects of the exterior
				  environment.
FIBER-CEMENT SIDING.
A manufactured,
				  fiber-reinforcing product made with an inorganic hydraulic or calcium silicate
				  binder formed by chemical reaction and reinforced with discrete organic or
				  inorganic nonasbestos fibers, or both. Additives that enhance manufacturing or
				  product performance are permitted. Fiber-cement siding products have either
				  smooth or textured faces and are intended for
exterior wall
and related applications.
METAL COMPOSITE MATERIAL (MCM).
A
				  factory-manufactured panel consisting of metal skins bonded to both faces of a
				  plastic core.
METAL COMPOSITE MATERIAL (MCM) SYSTEM.
An
exterior wall
covering fabricated using MCM in a specific
				  assembly including joints, seams, attachments, substrate, framing and other
				  details as appropriate to a particular design.
VENEER.
A facing attached to a wall for the
				  purpose of providing ornamentation, protection or insulation, but not counted
				  as adding strength to the wall.
VINYL SIDING.
A shaped material, made
				  principally from rigid polyvinyl chloride (PVC), that is used as an
exterior wall
covering
.
WATER-RESISTIVE BARRIER.
A material behind an
exterior wall
covering
that is intended to
				  resist liquid water that has penetrated behind the exterior covering from
				  further intruding into the
exterior wall
assembly.