D+GA Project No. 9926
EPDM Single-Ply Membrane Roofing
16 October 2001
07531 - 4
2.03
AUXILIARY MATERIALS:
A.
General: Furnish auxiliary materials recommended by roofing system manufacturer for intended use and compatible
with EPDM membrane roofing.
1.
Furnish liquid-type auxiliary materials that meet VOC limits of authorities having jurisdiction.
B.
Sheet Flashing: 60-mil-thick EPDM, uncured or cured, according to application.
C.
Bonding Adhesive: Manufacturer's standard bonding adhesive.
D.
Splice Adhesive and Cleaner: Single-component butyl splicing adhesive and solvent-based splice cleaner.
E.
Splice Primer and Tape: Manufacturer's standard synthetic rubber polymer primer and 3-inch-wide minimum, butyl
splice tape with release film.
F.
Lap Sealant: Manufacturer's standard single-component sealant.
G.
Water Cutoff Mastic: Manufacturer's standard butyl mastic sealant.
H.
Miscellaneous Accessories: Provide pourable sealers, preformed cone and vent sheet flashings, preformed inside and
outside corner sheet flashings, T-joint covers, in-seam sealants, termination reglets, and other accessories
recommended by roofing system manufacturer for intended use.
2.04
INSULATION MATERIALS:
A.
General: Provide preformed roof insulation boards that comply with requirements, selected from manufacturer's
standard sizes and of thicknesses indicated.
B.
Polyisocyanurate Board Insulation: Rigid, cellular polyisocyanurate thermal insulation with core formed by using HCFCs
as blowing agents, complying with ASTM C 1289.
1.
Facer Type: Provide Type V, oriented strand board or wafer board, DOC PS 2 or APA PRP-108,
Exposure 1, 7/16 inch thick on exposed surface of top layer of insulation boards.
2.05
INSULATION ACCESSORIES:
A.
General: Furnish roof insulation accessories recommended by insulation manufacturer for intended use and compatible
with sheet roofing material.
B.
Fasteners: Factory-coated steel fasteners and metal or plastic plates meeting corrosion-resistance provisions of
FM 4470, designed for fastening roof insulation to substrate, and acceptable to roofing system manufacturer.
2.06
WALKWAYS:
A.
Walkway Pads: Factory-formed, nonporous, heavy-duty, solid-rubber, slip-resisting, surface-textured walkway pads,
approximately 3/16 inch thick, and acceptable to roofing system manufacturer.
PART 3 - EXECUTION
3.01
EXAMINATION:
A.
Examine substrates, areas, and conditions under which roofing will be applied, with Installer present, for compliance
with requirements.
B.
Verify that roof openings and penetrations are in place and set and braced.
C.
Verify that wood nailers are in place and secured and match thicknesses of insulation required.
D.
Do not proceed with installation until unsatisfactory conditions have been corrected.
