The surface exhibits texture of SPF where valleys form sharp angles. This surface is unacceptable for coating application. Also termed treebark surface texture. (See AY-145 Surface Texture of Spray Polyurethane Foam.)

SPFA believes that the path to a healthful, safe, high-quality and performing SPF installation travels through the hands of a knowledgeable, trained, experienced, and ideally PCP-certified professional contractor.