VA 07 53 23-2011 ETHYLENE-PROPYLENE-DIENE-MONOMER ROOFING.pdf

1、10-11 07 53 23 - 1 SECTION 07 53 23 ETHYLENE-PROPYLENE-DIENE-MONOMER ROOFING SPEC WRITER NOTES: 1. Delete between /_/ if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. 2. Slopes: Do not use on slopes over 1:10 (one inch p

2、er foot). Provide 1:50 (1/4 inch per foot) minimum to drains without any “Gutters“ (no slopes between drains). Slope crickets 1:50 (1/4-inch per foot). NO EXCEPTION TO MINIMUM SLOPE. 3. Coordinate with plumbing requirements for roof drains and drain locations at low points and mid span where maximum

3、 deflection occurs. Do not put drain at columns or on slopes. Coordinate with insulation to provide “dishes“ at drains. 4. Coordinate details and systems used to provide code required fire rated roofing system. Do not use unsurfaced membranes over combustible insulation on decks. 5. Use of adhered s

4、ystem is preferred over mechanically anchored or a ballasted system. 6. When a ballasted system is used: a. Coordinate to insure structural design provides for square foot dead load of ballast for aggregate and paving units. Do not use on an existing structure where the structural system will not ta

5、ke the ballast dead load. b. Design for wind uplift at site. c. Select rate of ballast in accordance with FM Data Sheets 1-7, 1-28, and Technical Advisory Bulletin (TAB) 1-29. d. Use pavers or loose aggregate or both over membrane. e. Coordinate details to provide raised roof edge 200 mm (8 inches)

6、minimum above surface of aggregate ballast or clamping device for pavers at edge and strapping where necessary when parapet walls over 600 mm (24 inches) high do not occur. f. Do not use over loose laid insulation. 7. Coordinate with Section 07 22 00, ROOF AND DECK INSULATION for roof insulation und

7、er the membrane. Decrease “R“ value 5 percent when mechanical fasteners are used through the insulation to compensate for parallel heat flow. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 07 53 23 - 2 8. Do not use over polystyrene, urethane,

8、 or wood fiberboard insulation under the membrane. 9. Do not use over bituminous materials where direct contact occurs, including grease, oil, or other substances not compatible with EPDM. Use a thin layer of insulation, slip sheet or separator sheet depending upon method of attachment. 10. Terminat

9、e base flashings not less than 200 mm (8 inches) above roof surface including curb for building expansion joints. 11. Do not put expansion joints at roof surface level. 12. Do not use “pitch pocket“ or “sealant pocket“ in lieu of base flashings and cap flashings. 13. This specification is for use ov

10、er cellular insulating concrete decks, concrete decks or insulation. Insert additional text when installed directly to other decks or insulation systems not specified in Section 07 22 00, ROOF AND DECK INSULATION. 14. Do not use pipe boots that do not provide less than 100 mm (4 inch) height above r

11、oof. PART 1 GENERAL 1.1 DESCRIPTION A. Ethylene Propylene Diene Monomer (EPDM) sheet roofing / adhered / mechanically fastened / ballasted / to roof deck. B. Fire rated roof system. 1.2 RELATED WORK A. Treated wood framing, blocking, and nailers: Section 06 10 00, ROUGH CARPENTRY. B. Roof Insulation

12、: Section 07 22 00, ROOF AND DECK INSULATION. C. Metal cap flashings, copings, fascias, and expansion joints: Section 07 60 00, FLASHING AND SHEET METAL. D. Roof hatches, equipment supports, dome type skylights, and gravity ventilators: Section 07 72 00, ROOF ACCESORIES. E. Mechanical equipment supp

13、orts: Section 23 34 00, HVAC FANS and Section 23 31 00, HVAC DUCTS AND CASINGS, Section 23 37 00, AIR OUTLETS AND INLETS. 1.3 QUALITY ASSURANCE A. Approved applicator by the membrane roofing system manufacturer, and certified by the manufacturer as having the necessary expertise to install the speci

14、fic system. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 07 53 23 - 3 B. Pre-Roofing Meeting: 1. Upon completion of roof deck installation and prior to any roofing application, hold a pre-roofing meeting arranged by the Contractor and attend

15、ed by the Roofing Inspector, Material Manufacturers Technical Representative, Roofing Applicator, Contractor, and Resident Engineer, 2. Discuss specific expectations and responsibilities, construction procedures, specification requirements, application, environmental conditions, job and surface read

16、iness, material storage, and protection. 3. Inspect roof deck at this time to: a. Verify that work of other trades which penetrates roof deck is completed. b. Determine adequacy of deck anchorage, presence of foreign material, moisture and unlevel surfaces, or other conditions that would prevent app

17、lication of roofing system from commencing or cause a roof failure. c. Examine samples and installation instructions of manufacturer. d. Perform pull out test of fasteners (See paragraph 3.2). 1.4 SUBMITTALS A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B.

18、Applicators approval certification by manufacturer. C. Shop Drawings: 1. Sheet membrane layout. 2. Fastener pattern, layout, and spacing requirements. 3. Termination details. D. Manufacturers installation instructions revised for project. E. Samples: 1. Sheet membrane: One 150 mm (6 inch) square pie

19、ce. 2. Sheet flashing: One 150 mm (6 inch) square piece. 3. Fasteners: Two, each type. 4. Welded seam: Two 300 mm (12 inch) square samples of welded seams to represent quality of field welded seams. 1.5 DELIVERY, STORAGE AND HANDLING A. Deliver, store, and handle materials as specified by manufactur

20、er. B. Store volatile materials separate from other materials with separation to prevent fire from damaging the work, or other materials. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 07 53 23 - 4 1.6 WARRANTY Roofing work subject to the term

21、s of the Article “Warranty of Construction”, FAR clause 52.246-21, except extend the warranty period to five years. 1.7 APPLICABLE PUBLICATIONS A. Publications listed below form a part of this specification to the extent referenced. Publications are referenced in the text by the basic designation on

22、ly. B. American Society for Testing and Materials (ASTM): A167-99(R2009) . Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet and Strip B209-07 Aluminum and Aluminum-Alloy Sheet and Plate D751-06 Coated Fabrics D2103-10 . Polyethylene Film and Sheeting D2240-05(R2010) Rubber Property -

23、Durometer Hardness D3884-09 . Abrasive Resistance of Textile Fabrics (Rotary Platform, Double-Head Method) D4637-10 . EPDM Sheet Used in Single-Ply Roof Membrane D4586-07 . Asphalt Roof Cement, Asbestos Free E96-10 . Water Vapor Transmission of Materials E108-10 Fire Tests of Roof Coverings G21-09 .

24、 Resistance of Synthetic Polymeric Materials to Fungi C. National Roofing Contractors Association (NRCA): Fifth Edition - 05 . The NRCA Roofing and Waterproofing Manual. D. Federal Specifications (Fed. Spec.) FF-S-107C(2) . Screws, Tapping and Drive FF-S-111D(1) . Screw, Wood UU-B-790A Building Pape

25、r, Vegetable Fiber (Kraft, Waterproofed, Water Repellent and Fire Resistant) E. Factory Mutual Engineering and Research Corporation (FM): Annual Issue . Approval Guide Building Materials F. Underwriters Laboratories, Inc (UL): Annual Issue . Building Materials Directory Annual Issue . Fire Resistanc

26、e Directory G. Warnock Hersey (WH): Annual Issue . Certification Listings Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 07 53 23 - 5 PART 2 - PRODUCTS SPEC WRITER NOTES: 1. Make material requirements agree with applicable requirements specifi

27、ed in the referenced Applicable Publications. 2. Update and specify only that which applies to the project. 3. Use of 1.14 mm (0.045-inch) thick sheet is permitted for ballasted system or fully adhered system. 4. Use 1.5 mm (0.060-inch) thick reinforced membrane for mechanically attached system. 5.

28、Use fire retardant membrane when not protected by ballast or pavers. Verify for FM, UL, or WH approval. 2.1 EPDM SHEET ROOFING A. Conform to ASTM D4637, Type I, Grade 1, / black color / white color /, gray color /. B. Additional Properties: PROPERTY TEST METHOD REQUIREMENT Shore A Hardness ASTM D224

29、0 55 to 75 Durometer Water Vapor Permeance ASTM E96 Minimum 0.14 perms Water Method Fungi Resistance ASTM G21 After 21 days, no sustained growth or discoloration. Fire Resistance ASTM E108 Class A No Combustion Beyond Flame/Heat Source C. Thickness: 1. Use 1.14 mm (0.045-inch) thick sheet for adhere

30、d system / ballasted system /. 2. Use 1.5 mm (0.060-inch) thick sheet for mechanically anchored system. D. Pipe Boots: 1. Molded EDPM designed for flashing of round penetrations, 200 mm (8 inch) minimum height. 2. Color same as roof membrane. 2.2 EPDM FLASHING SHEET A. Conform to ASTM D4637, Type I,

31、 Grade 1, Class U, unreinforced, color, same as roof membrane modified as specified for flashing. B. Self curing EPDM flashing, adaptable to irregular shapes and surfaces. C. Minimum thickness 1.5 mm (0.060-inch). 2.3 MISCELLANEOUS ROOFING MEMBRANE MATERIALS A. Sheet roofing manufacturers specified

32、products. B. Splice Adhesive: For roofing and flashing sheet. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 07 53 23 - 6 C. Lap Sealant: Liquid EPDM rubber for roofing sheet exposed lap edge. D. Bonding Adhesives: Neoprene, compatible with ro

33、ofing membrane, flashing membrane, insulation, metals, concrete, and masonry for bonding roofing and flashing sheet to substrate. E. Fastener Sealer: One part elastomeric adhesive sealant. F. Temporary Closure Sealers (Night Sealant): Polyurethane two part sealer. G. Primers, Splice Tapes, Cleaners,

34、 and Butyl Rubber Seals: As specified by roof membrane manufacturer. H. Asphalt Roof Cement: ASTM D4586. 2.4 FASTENERS A. Fasteners and washers required for securing sheet roofing to deck: 1. Steel stress plate washers as required by sheet roofing manufacturer: a. Coated against corrosion. b. Separa

35、te or attached to fastener. c. Approximately 50 mm (2 inch) diameter or 40 mm x 65 mm (1-1/2 by 2-1/2 inches) rectangular plate with rounded corners, minimum thickness 0.6 mm (0.023-inch). 2. Fastening strip or batten strip for securing roof membrane to deck: a. Stainless steel strip: ASTM A167 type

36、 302 or 304, minimum 0.5 mm (0.018-inch) thick. b. Aluminum strip: ASTM B209, minimum 2.4 mm (0.094-inch) thick. c. Rounded corners on strips. d. Form strips 38 mm (1-1/2 inches) wide, 3000 mm (10 feet) maximum length with 6 mm x 10 mm (1/4 by 3/8 inch) punched slotted holes at 100 mm (4 inch) cente

37、rs; centered on width of strip. Punch holes 2 mm (1/16 inch) larger than fastener shank when shank is larger than 5 mm (3/16 inch). 3. Steel decks: Screws; Fed Spec FF-S-107, hardened nylon screw or steel screw coated to resist corrosion, self drilling, anti-backout thread design. Minimum pullout re

38、sistance of 135 Kg (300 pounds), minimum thread penetration of 13 mm (1/2 inch). 4. Gypsum, Insulating Concrete, and Structural Cement Fiber Decks: Diverging or hooking point fastener, anti-spin fitting; or specifically designed for anchorage to deck as recommended by roofing membrane manufacturer,

39、coated to resist corrosion, minimum pullout resistance of 200 Kg (450 pounds). 5. Concrete and Masonry Wall Surfaces: a. Nail penetration 13 mm (1/2 inch). 6. Wood: a. Screws; Fed. Spec. FF-S-111, Type I, Style 2.5, coated to resist corrosion, length to provide 19 mm (3/4 inch) minimum penetration.

40、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 07 53 23 - 7 b. Nails: Barbed shank, galvanized. 7. Washers: Neoprene backed metal washer 28 mm (1-1/8 inch) minimum diameter. 8. To Sheet Metal: Self tapping screw; Fed. Spec. FF-S-107, 2 mm (No.

41、 14), sheet metal screw, minimum thread penetration of 6 mm (1/4 inch); stainless steel. B. Pipe Compression Clamp or Drawband: 1. Stainless steel or cadmium plated steel drawband. 2. Worm drive clamp device. C. Surface mounted base flashing clamp strip: 1. Stainless steel strip, ASTM A167, type 302

42、 or 304, dead soft temper, minimum 0.5 mm (0.018-inch) thick. 2. Aluminum strip: ASTM B209 24 mm (.094-inch) thick. 3. For exposed location, form strips with 6 mm (1/4 inch) wide top edge bent out 45 degrees (for sealant) from 40 mm (1-1/2 inch) wide material; 2400 mm (8 feet) maximum length with sl

43、otted 6 mm x 10 mm (1/4 by 3/8-inch) holes punched at 200 mm (8 inch) centers, centered between bend and bottom edges. 4. For locations covered by cap flashings, form strips 30 mm (1-1/4 inch) wide, 2400 mm (8 feet) maximum length with slotted holes 6 mm x 10 mm (1/4 by 3/8 inch) punched at 200 mm (

44、8 inch) centers, centered on strip width. D. Fasteners and washers required for securing pavers together with straps and to walls or other anchorage. 1. Straps for securing pavers together: a. Stainless steel strap: ASTM A167, type 302 or 304, minimum 0.46 mm (0.018 inch) thick. b. Aluminum strap: A

45、STM B209, minimum 2.39 mm (0.094 inch) thick. c. Rounded corners on straps. d. Form straps 38 mm 91-1/2 inches) wide, 3 m (10 feet) maximum length with 6 by 10 mm (1/4 by 3/8 inch) punched slotted holes at 100 mm (4 inch centers centered on width of strap. Punch hole size 2 mm (1/16 inch) larger tha

46、n fastener shank when shank is thicker than 5 mm (3/16 inch). E. Fasteners or Connectors for Pavers: 1. For NCMA Roofcap Pavers extruded interlocking hollow shape polyethylene connector: a. Material shall conform to ASTM D1248, Type 1, low density, Class C, black weather resistant, Grade E6, tensile

47、 strength 15 Mpa (2200 psi), shore D hardness of 4, brittleness low temperature - 82C (180F), softening temperature above 80C (176F). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 07 53 23 - 8 b. Length: 50 mm (2 inches), with center stop and

48、 insert leg with ribs to resist withdrawal; minimum 1.3 mm (0.05 inch) thick. 2. Fasteners for pavers straps: a. Stainless steel as recommended by manufacturer of paver in which fastener is anchored. b. Fasteners that are not acceptable include: 1) Impact or power actuated fasteners. 2) Fasteners th

49、at do not require a predrilled pilot hole. 3) Fasteners with lead or white metal anchors. 4) Plastic anchors not stabilized against ultraviolet light. SPEC WRITER NOTES: Use of a protection mat or separator sheet is required under ballast. 2.5 VAPOR RETARDER OR SEPARATION SHEETS A. Polyethylene film: ASTM D2103, 0.2 mm (6 mils) thick. B. Building Paper: Fed. Spec. UU-B-790.