N6247314R0003_-_PTO_0001_RFP_-_SECTION_07_54_00.pdf

SECTION 07 54 00 Page 1

SECTION 07 54 00

EXISTING

KETONE ETHYLENE ESTER MODIFIED POLYVINYL CHLORIDE SINGLE PLY MEMBRANE ROOFING

PART 1 NOT USED

PART 2 PRODUCTS

2.1 MATERIALS

Combination of specified materials that comprise a roof system acceptable to the roof membrane manufacturer and meeting specified requirements.

2.2 ADHESIVES

Adhesives shall be as recommended by the membrane manufacturer for the type of roofing membrane specified.

2.3 SOLVENTS AND SEALANTS

Solvents and sealants shall be as recommended by the membrane manufacturer.

2.4 WOOD PRODUCTS

Do not allow fire retardant treated materials to be in contact with membrane or membrane accessory products, unless approved by the membrane manufacturer and the Contracting Officer. Nailers shall be at least 1-1/2 inches thick.

2.5 FASTENERS

Fasteners for sheet-metal flashing shall be corrosion-resistant steel annular-ring type nails, or screws. Fasteners for anchoring the roofing membrane, gypsum cover board, and insulation to roof deck shall be as approved by the roof membrane manufacturer and identical to those used to obtain the wind uplift rating.

2.6 FLASHINGS

Flashings shall be ultra-violet resistant materials furnished by the membrane manufacturer, except as otherwise specified. Shaped flashing components shall be prefabricated.

2.7 ROOF INSULATION BELOW ROOFING MEMBRANE

Insulation system and cover board material must be compatible with membrane application specified and as approved by the roof membrane manufacturer.

SECTION 07 54 00 Page 2

2.8 PREFABRICATED ACCESSORIES

Pre-manufactured accessories must be manufacturer’s standard for intended purpose, compatible with the membrane roof system and approved for use by the roof membrane manufacturer.

2.8.1 Mechanical Equipment Support System

As specified in Section 05 50 13 MISC. METAL FABRICATIONS.

2.8.2 Pipe Vents

As indicated.

2.8.3 Pre-fabricated curbs

Provide insulated G90 galvanized curbs with minimum 4 inch flange for attachment to roof nailers. Provide minimum height of 10 inches above the finished roof membrane surface.

2.9 ROOFING MEMBRANE

KETONE ETHYLENE ESTER MODIFIED POLYVINYL CHLORIDE SINGLE PLY MEMBRANE shall contain reinforced woven polyester mat 12.5 oz/ sqyd, and shall be at least 90 mils thick. Exceed physical properties of ASTM D 6754, and surface compounds shall comply with ASTM D 6754. White color finish membrane.

Membrane shall be fungi resistant as demonstrated by "non sustained growth" or discoloration after 21 days exposure as specified in ASTM G 21.

2.10 WALKAYS

Flexible factory-formed, nonporous, heavy-duty, slip-resisting, surface textured walkway pads. Approximately 3/16 inch thick. Walkways to be acceptable with roofing membrane manufacture.

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