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- SECTION 06152
-
- WOOD ROOF DECKING
- NOTE ** This section is based on the products of the
- Homasote Company, which is located at:
- NOTE ** P.O. Box 7240
- NOTE ** West Trenton, NJ 08628-0240
- NOTE ** Tel: (609) 883-3300
- NOTE ** Fax: (609) 530-1584
- NOTE ** Internet address: http://www.homasote.com
- NOTE ** For local rep contact: Sweet's Buyline 1-800-
- 892-1165 (#0878)
- NOTE **
- NOTE ** The Homasote Company manufactures various products
- for the building industry. This section covers
- only a part of their product line: "Firestall(R)"
- and "Easy-ply(R)" roof decking. See their other
- sections for fiberboard underlayment, acoustical
- barriers (fire-rated and non-rated), and acoustical
- wall panels (fabric-covered and cork-faced).
- NOTE **
- NOTE ** SECTION 06152 - WOOD ROOF DECKING, Copyright 1998,
- The Architect's Catalog, Inc.
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
-
- A. Furnishing and installing factory fabricated and finished
- roof decking.
-
- 1.2 RELATED SECTIONS
- NOTE ** Delete sections below not relevant to this project;
- add others as required.
-
- A. Section 06100 - Rough Carpentry.
-
- B. Section 07311 - Asphalt Shingles.
-
- C. Section 07313 - Wood Shingles and Shakes.
-
- D. Section 07322 - Clay Roofing Tile.
-
- E. Section 07325 - Ceramic Slate Roofing.
-
- F. Section _____ - _________________________.
-
- 1.3 REFERENCES
- NOTE ** Delete references from the list below that are not
- actually required by the text of the edited
- section; add others as required.
-
- A. ASTM E 84 - Test Method for Surface Burning
- Characteristics of Building Materials.
-
- B. Factory Mutual Research Corporation (FMRC) Standard for
- Class A (25 Flame Spread) for rated decking.
-
- C. UL R5268.
-
- D. ________________________________________.
-
- 1.4 SUBMITTALS
-
- A. Submit under provisions of Section 01300.
-
- B. Product Data: Manufacturer's product and complete
- installation data for all materials in this
- specification.
-
- C. Shop Drawings: Prepared specifically for this project;
- show profiles, joining method, assembly details, adjacent
- construction interface, and dimensions.
-
- D. Installation Guide: Product manufacturer's written
- installation guide.
- NOTE ** Delete the following paragraph if samples are not
- required.
-
- E. Samples: Sized to adequately represent material.
-
- F. Closeout Submittals: Warranty and Manufacturer's
- performance certifications.
-
- 1.5 QUALITY ASSURANCE
-
- A. Roof decking manufacturer shall certify that fire
- retardant roof decking meets performance design criteria
- according to the following test standards:
- NOTE ** Select the following subparagraphs as applicable;
- delete others.
- 1. ASTM E 84.
- 2. FMRC Standard for Class A (25 Flame Spread) for rated
- decking.
- 3. UL R5268.
-
- 1.6 DELIVERY, STORAGE, AND HANDLING
-
- A. Deliver materials in the manufacturer's original sealed,
- labeled packaging.
-
- B. Store materials in a dry, well-vented area above ground
- on wooden pallets and covered.
-
- C. Inspect the materials upon delivery to assure that
- specified products have been received.
-
- D. Report damaged material immediately to the delivering
- carrier and note such damage on the carrier's freight
- bill of lading.
-
- E. Remove protective packaging immediately prior to
- installation.
-
- 1.7 PROJECT CONDITIONS
-
- A. Verify that other trades are complete before installing
- the roof decking.
-
- B. Ensure that mounting surfaces are straight and secure and
- that substrates are of proper material per roofing deck
- manufacturer.
-
- C. Refer to the construction documents, shop drawings, and
- manufacturer's installation instructions.
-
- D. Coordinate installation with roof membrane manufacturer's
- installation instructions. Decking installation must be
- followed immediately with finish roofing.
-
- E. Observe all appropriate OSHA safety guidelines for this
- work.
- NOTE ** Delete the following article if no warranties are
- required, or if work is covered under the terms of
- a general project warranty specified elsewhere.
- You may edit the article to obtain a warranty from
- the Contractor only, or to suit other project-
- specific criteria.
-
- 1.8 WARRANTY
-
- A. Manufacturer's Standard Warranty: Materials shall be
- free of defects in material and workmanship for one year
- after shipment.
-
- B. If, after inspection, the manufacturer agrees that
- materials are defective, the manufacturer shall, at their
- option, repair or replace them.
-
-
- PART 2 PRODUCTS
-
- 2.1 MANUFACTURERS
-
- A. Acceptable Manufacturer: Homasote Company, P.O. Box
- 7240, West Trenton, NJ 08628-0240; ASD. Tel: (609) 883-
- 3300, Fax: (609) 530-1584, Internet address:
- http://www.homasote.com; For local rep contact: Sweet's
- Buyline 1-800-892-1165 (#0878).
-
- B. Requests for substitutions will be considered in
- accordance with provisions of Section 01600. Proposed
- substitutions shall meet the performance and quality
- standards of this specification.
- NOTE ** Delete paragraph above or below; coordinate with
- Division 1 requirements.
-
- C. Substitutions: Not permitted.
-
- D. Provide all wood roof decking from a single manufacturer.
-
- 2.2 ROOF DECKING
- NOTE ** Select type of wood roof decking required for
- project from the two paragraphs below.
- NOTE **
- NOTE ** Firestall(R) is a nailable UL Class "A" fire-rated
- structural roof decking with a face ply of Homasote
- NCFR(R).
- NOTE **
- NOTE ** Easy-ply(R) is a multiple-ply roof decking made of
- high density Homasote structural board with a
- surface of decorative white vinyl film which serves
- as both an interior finish and a vapor barrier.
-
- A. Structural Roof Decking: Firestall(R) Roof Decking, a
- composition of Homasote structural board and a face ply
- of UL Class A NCFR Homasote.
- NOTE ** Select panel thicknesses from the subparagraphs
- below; delete those not required for the project.
- 1. Panel Thickness: 1 inch (25.4 mm).
- 2. Panel Thickness: 1-3/8 inches (34.9 mm).
- 3. Panel Thickness: 1-7/8 inches (47.6 mm).
- 4. Panel Thickness: 2-3/8 inches (60.3 mm).
- 5. Panel Size: Nominal 24 by 96 inches (610 by 2438
- mm), actual 23-1/8 by 95-7/8 inches (587 by 2435 mm).
- 6. Flame Spread: Class I or A.
- 7. Noise Reduction Coefficient: 20.
- NOTE ** Coordinate R-value selection below with thickness
- selected above.
- 8. Thermal R-Value: 2.05 for 1 inch (25.4 mm).
- 9. Thermal R-Value: 2.5 for 1-3/8 inches (34.9 mm).
- 10. Thermal R-Value: 3.1 for 1-7/8 inches (47.6 mm).
- 11. Thermal R-Value: 4.9 for 2-3/8 inches (60.3 mm).
- NOTE ** Coordinate weight below with thickness selected
- above. Delete those not required for the project.
- 12. Weight: 2.62 psf (12.79 kg/sq. m) for 1 inch (25.4
- mm).
- 13. Weight: 3.48 psf (16.99 kg/sq. m) for 1-3/8 inches
- (34.9 mm).
- 14. Weight: 4.63 psf (22.60 kg/sq. m) for 1-7/8 inches
- (47.6 mm).
- 15. Weight: 5.78 psf (28.68 kg/sq. m) for 2-3/8 inches
- (60.3 mm).
- NOTE ** Coordinate rafter spacing below with thickness
- selected above or add rafter spacings required for
- the project. Delete those not required for the
- project. Ten psf (48.8 kg/sq. m) dead load is
- assumed.
- 16. Maximum Rafter Spacing, 50 psf (244 kg/sq. m) Live
- Loads: 24 inches (610 mm) for 1 inch (25.4 mm).
- 17. Maximum Rafter Spacing, 50 psf (244 kg/sq. m) Live
- Loads: 32 inches (812 mm) for 1-3/8 inches (34.9
- mm).
- 18. Maximum Rafter Spacing, 50 psf (244 kg/sq. m) Live
- Loads: 48 inches (1,219 mm) for 1-7/8 inches (47.6
- mm).
- 19. Maximum Rafter Spacing, 50 psf (244 kg/sq. m) Live
- Loads: 48 inches (1,219 mm) for 2-3/8 inches (60.3
- mm).
- 20. Maximum Rafter Spacing: ________________________.
-
- B. Structural Roof Decking: Easy-ply(R) Roof Decking, a
- composition of Homasote structural board with a 6 mil pre-
- finished surface of a decorative white "flitter" vinyl
- film, Class "C" fire resistance rating per ASTM E 84.
- NOTE ** Select panel thicknesses from the subparagraphs
- below; delete those not required for the project.
- 1. Panel Thickness: 1 inch (25.4 mm).
- 2. Panel Thickness: 1-3/8 inches (34.9 mm).
- 3. Panel Thickness: 1-7/8 inches (47.6 mm).
- 4. Panel Thickness: 2-1/16 inches (52.4 mm).
- 5. Panel Size: Nominal 24 by 96 inches (610 by 2438
- mm), actual 23-1/8 by 95-7/8 inches (587 by 2435 mm).
- 6. Fire Resistance Rating: Class C per ASTM E 84; 100
- Flame Spread, 230 Smoke Developed.
- NOTE ** Coordinate R-value selection below with thickness
- selected above.
- 7. Thermal R-Value: 2.4 for 1 inch (25.4 mm).
- 8. Thermal R-Value: 3.27 for 1-3/8 inches (34.9 mm).
- 9. Thermal R-Value: 4.46 for 1-7/8 inches (47.6 mm).
- 10. Thermal R-Value: 5.0 for 2-1/16 inches (52.4 mm).
- NOTE ** Coordinate weight below with thickness selected
- above.
- 11. Weight: 2.4 psf (11.72 kg/sq. m) for 1 inch (25.4
- mm).
- 12. Weight: 3 psf (14.65 kg/sq. m) for 1-3/8 inches
- (34.9 mm).
- 13. Weight: 4 psf (19.53 kg/sq. m) for 1-7/8 inches
- (47.6 mm).
- 14. Weight: 5 psf (24.41 kg/sq. m) for 2-1/16 inches
- (52.4 mm).
- NOTE ** Coordinate rafter spacing below with thickness
- selected above or add rafter spacings required for
- the project. Delete those not required for the
- project. Ten psf (48.8 kg/sq. m) dead load is
- assumed.
- 15. Maximum Rafter Spacing, 40 psf (195 kg/sq. m) Live
- Loads: 24 inches (610 mm) for 1 inch (25.4 mm).
- 16. Maximum Rafter Spacing, 40 psf (195 kg/sq. m) Live
- Loads: 32 inches (812 mm) for 1-3/8 inches (34.9
- mm).
- 17. Maximum Rafter Spacing, 40 psf (195 kg/sq. m) Live
- Loads: 48 inches (1,219 mm) for 1-7/8 inches (47.6
- mm).
- 18. Maximum Rafter Spacing, 40 psf (195 kg/sq. m) Live
- Loads: 48 inches (1,219 mm) for 2-1/16 inches (52.4
- mm).
- 19. Maximum Rafter Spacing, 50 psf (244 kg/sq. m) Live
- Loads: 16 inches (406 mm) for 1 inch (25.4 mm).
- 20. Maximum Rafter Spacing, 50 psf (244 kg/sq. m) Live
- Loads: 24 inches (610 mm) for 1-3/8 inches (34.9
- mm).
- 21. Maximum Rafter Spacing, 50 psf (244 kg/sq. m) Live
- Loads: 32 inches (812 mm) for 1-7/8 inches (47.6
- mm).
- 22. Maximum Rafter Spacing, 50 psf (244 kg/sq. m) Live
- Loads: 48 inches (1,219 mm) for 2-1/16 inches (52.4
- mm).
- 23. Maximum Rafter Spacing, A-Frame: 32 inches (812 mm)
- for 1 inch (25.4 mm).
- 24. Maximum Rafter Spacing, A-Frame: 48 inches (1,219
- mm) for 1-3/8 inches (34.9 mm).
- 25. Maximum Rafter Spacing, A-Frame: 48 inches (1,219
- mm) for 1-7/8 inches (47.6 mm).
- 26. Maximum Rafter Spacing, A-Frame: 48 inches (1,219
- mm) for 2-1/16 inches (52.4 mm).
- 27. Maximum Rafter Spacing: ______________________.
-
-
- PART 3 EXECUTION
-
- 3.1 EXAMINATION
-
- A. Verify that the roof decking installation will not
- disrupt other trades.
-
- B. Verify that substrate is dry, clean, and free of foreign
- matter.
-
- C. Report and correct defects prior to any installation.
-
- 3.2 PREPARATION
-
- A. Submit design drawings for review and approval before
- installation.
-
- B. Check as-built conditions and verify the manufacturer's
- roof decking details for accuracy to fit the roof
- configuration.
-
- 3.3 INSTALLATION
-
- A. Comply with roof decking manufacturer's current
- installation guide.
-
- B. Install roof decking in dry condition only.
-
-
- END OF SECTION
-