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READ AND **REMOVE THIS PAGE** BEFORE PLACING

THE SPECIFICATION SECTION IN THE CONTRACT

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[DIVISION 6: WOOD AND PLASTICS]{.underline}

SECTION 06263 ‑ ROUGH‑SAWN CEDAR VENEER PLYWOOD SIDING

USE: Furnishing and installing decorative plywood siding.

**NOTES TO SPECIFIER:**

A. Options within paragraphs are identified by enclosure in brackets;
blank spaces enclosed by brackets \[\_\_\_\_\_\] provide for information
to be inserted, as appropriate, to individual projects.

B. **TO AVOID CONFLICTING REQUIREMENTS AND COSTLY MISTAKES,** the
specifier must edit (delete, substitute or add to the text). The
remaining paragraphs must be renumbered.

C. DELETE FOR FINAL COPY: Notes to the Specifier, located between lines
of asterisks; all \[brackets\], [underlining]{.underline}, **boldface**,
and *italics*, within the paragraphs; and this page. (Open Reveal Codes
\[alt F3\] to do this accurately.)

D. [To Edit "(Footer B)":]{.underline} (Corel 8). **ENTIRE FOOTER SHOULD
BE BOLDED.** Click in the footer and delete the "Project Name (ftr B)"
text and replace it with the **Name of the Project (upper and lower
case)**. Replace date with current MM/YY (WITHOUT BRACKETS).

E. The Guide Specifications are intended to be continuously reviewed and
revised. User's technical comments are appreciated. Also, other related
or similar specification that are written "from scratch" that could
benefit others, or other questions can be sent to NSTC A/E Group, ST
110, or call (303) 987-6868.

**DRAWING DATA REQUIRED:**

**REQUIRED SPEC MODIFICATIONS:**

[GENERAL NOTES]{.underline}

A. Whenever entire articles, paragraphs or subparagraphs are not
applicable, the articles, paragraphs or subparagraphs should be deleted;
when necessary, reletter or renumber articles, paragraphs or
subparagraphs.

B. THIS GUIDE IS NOT INTENDED AS A SUBSTITUTE FOR READING THE ENTIRE
SECTION.

[TECHNICAL NOTES]{.underline}

A. 1.1B: Select or add applicable specification sections. Do not list
specification sections from Division 6.

B. 1.2: Select or add applicable references.

C. 4.1 and 4.2: When a \"lump sum\" Contract is used, delete the title
\"PART 4: MEASUREMENT AND PAYMENT\", and both articles from this
specification section. Measurement and payment will be addressed in Part
4 of \[Section 01009 - General Information and Requirements\] \[or\]
\[Section 01010 - Summary of Work\].

**REVISIONS OF THIS SECTION:**

CSI format, editorial changes: 12/01

Metric:

Technical Update: 08/92

SECTION 06263

ROUGH-SAWN CEDAR VENEER PLYWOOD SIDING

[PART 1: GENERAL]{.underline}

1.1 SUMMARY:

A. Section Includes: Providing and installing plywood siding.

1.2 REFERENCES:

A. American Society for Testing and Materials:

ASTM E 84 E84 REV A-91 Test of Surface Burning Characteristics of
Building Materials

B. International Conference of Building Officials (ICBO):

UBC - 1991 Uniform Building Code

C. U.S. Department of Commerce:

PS 1 Product Standard

1.3 QUALITY ASSURANCE:

A. Grademarking: Each sheet shall bear the work of a recognized
association or independent inspection agency that maintains continuing
control over plywood quality. The work shall identify the plywood by
species group or identification index, and shall show glue type, grade,
and compliance with PS 1.

B. Failure Criteria: Not limited to the following:

1\. Delamination of plywood.

2\. Nail‑popping.

1.4 DELIVERY, STORAGE, AND HANDLING:

A. Delivery: Deliver plywood to job site in undamaged condition. Stack
materials to ensure proper ventilation and drainage, and protect against
dampness before and after delivery.

B. Storage: Store under cover in a well‑ventilated enclosure and protect
against extreme changes of temperature and humidity. Damaged materials
will be rejected and shall be replaced by the Contractor at his expense.

[PART 2: PRODUCTS]{.underline}

2.1 MATERIALS:

A. Rough‑sawn Cedar Plywood: APA 303 clear grade 48 inches x 96 inches x
3/8 inch (min.), long edges shiplapped, manufactured in accordance with
PS‑1. Face shall be plain (no grooves). Panel thickness shall be 11/32
inch. Adhesives shall be waterproof phenolic resins. Center and back
plys shall be \"C\" grade softwood. Panels shall be stamped with
approved APA grade trademark.

B. Nails: 8d hot‑dipped galvanized casing, aluminum or stainless steel.

C. Joint Sealant: See Section 07920 ‑ Sealants and Calking.

[PART 3: EXECUTION]{.underline}

3.1 PREPARATION:

A. Requirements: Wall framing studs shall be selected for straightness
and set plumb, true, and in alignment. Sizes and spacing of studs shall
be as indicated. Corner posts shall be framed to receive siding and
interior finish.

B. Edge Seal: Seal all edges of panels before installation when the
panels are in a stack. Reseal cut panels.

1\. Panels to receive solid color latex stain: seal with a liberal
application of water repellent wood preservative compatible with the
finish to be applied later.

C. Flashing: Apply 26 gauge drip cap or hemmed zee flashing over door
and window openings before applying panel siding.

3.2 INSTALLATION:

A. Plywood Panels: Apply panels vertically.

1\. Cut panels by sawing from face side of panel.

2\. Accurately position panels cut to indicated size. Start with either
inside or outside corners. Do not butt panels tight at inside corners.
Allow 1/16 inch to 1/8 inch at shiplap joints for expansion.

3\. Space nails 6 inches oc along and within 3/8 inch of panel edges, 12
inches oc at intermediate supports.

4\. Corners: See details for required installation.

5\. Drive nails into studs and other framing members. Drive nails flush,
but do not set.

6\. All panel edges must occur over centerlines of framing or blocking.

[PART 4: MEASUREMENT AND PAYMENT]{.underline}

4.1 METHOD OF MEASUREMENT:

A. Units: The work described in this section will not be measured for
payment.

4.2 BASIS OF PAYMENT:

A. Payment: No direct payment for the work described under this section
will be made. Contractor shall include consideration for this item in
the bid price for other items of the Contract.

END OF SECTION