Double coat flashing and edge termination. An extra pass of base coat material is required at all edges and penetrations if neoprene sheet flashing is not used. Contractor needs to figure losses due to overspray, foam texture and wind. Base coat shall be allowed to cure a minimum of 2 to 6 hours. Double coat flashing and edge termination.
Contractor needs to figure losses due to overspray, foam texture and wind.
An additional granular coat may be added. No traffic shall be permitted on the coated surface for a minimum of 3 days. Damage to the surface by other trades shall not be the responsibility of the roofing contractor. The contractor shall maintain system to verify compliance with this specification. Thickness of polyurethane foam and applied coating shall be measured and recorded for each coat and the total protective coating system.