Apply primers as required according to published application instructions. Foam spray application shall be limited to an area which can be completed to full foam thickness in one day. The coverage rate shall be no less than 1 gallon per 100 sq. 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.