Spf Roofing Details

Adequate drainage is particularly important in these systems because of their natural sensitivity to water.

Spf roofing details.

Spf roof systems are waterproof resistant to hail and wind damage and provide the highest r value the measure of resistance to heat of any roofing material. Spf can be installed in various thicknesses to provide slope to drain or meet a specified thermal resistance r value. Spfa 122 the renewal of spray polyurethane foam and coating roof systems a 16 page document covering roof preparation procedures and considerations including maintenance procedures. The polyurethane foam keeps heat out in the summer and in during the winter lowering energy costs for facility owners.

Spf can be sprayed in place in a way that builds slope to enhance drainage and eliminate ponding water. Spf roof systems can be customized to fit particular drainage requirements. Provide 20 to 30 years of low maintenance leak free performance. Studies conducted by structural research inc.

Typical roof edge detail in remedial applications the spf is applied over the existing metal gravel stop. On aggregate surfaced roofs the existing aggregate should be spudded clean to expose a minimum of 3 4 inches of height of the gravel stop. While spf isn t exactly new to the low slope roofing industry many professional roofers choose not to install this product due to some lingering issues. The letter designation after an spf roof system type des ignation and number identifies nrca s order of preference for addressing a specific detail condition.

Spf based roof systems are constructed by mixing and spraying a two component liquid that forms the base of an adhered roof system. This fully adhered self flashing system is seamless and seals all penetrations with no joints or fasteners. Lapolla distributes an architectural binder available in print and electronic format. A protective surfacing is then applied to the foam to provide protection from the elements.

The standard spf roofing application consists of three components the substrate often your roof deck the spf layer and the top coat. Spray polyurethane foam spf carlisle roof foam and coatings spray foam roof system is a spray in place insulation made of rigid closed cell polyurethane foam spf. For the national roofing foundation texas a m university michelsen technologies llc and the national roofing contractors association show that spf roofing systems. Spf roofing delivers thermal air and moisture barriers to provide the highest r value per inch which means the material provides better insulation for the building.

This is an 18 page document that details considerations dealing with spf aggregate systems and new and remedial roofing.