1507.14 Sprayed Polyurethane Foam Roofing
Foamed-in-place roof insulation shall be installed in accordance with the manufacturer's instructions. A liquid-applied protective coating that complies with Table 1507.14.3 shall be applied not less than 2 hours nor more than 72 hours following the application of the foam.
PROTECTIVE COATING MATERIAL STANDARDS
|Acrylic coating||ASTM D6083|
|Silicone coating||ASTM D6694|
|Moisture-cured polyurethane coating||ASTM D6947|