Spf Roofing Details

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 details. Offer the lowest lifecycle cost. A protective surfacing is then applied to the foam to provide protection from the elements. Construction details applicable to spf re cover roof sys tems with protective coatings are denoted as spf r followed by a number and possibly a letter e g spf r 1 spf r 1a. Studies conducted by structural research inc.

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. 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. Provide 20 to 30 years of low maintenance leak free performance. The polyurethane foam keeps heat out in the summer and in during the winter lowering energy costs for facility owners.

This fully adhered self flashing system is seamless and seals all penetrations with no joints or fasteners. Spf roof systems can be customized to fit particular drainage requirements. 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. Lapolla distributes an architectural binder available in print and electronic format.

The standard spf roofing application consists of three components the substrate often your roof deck the spf layer and the top coat. Spf based roof systems are constructed by mixing and spraying a two component liquid that forms the base of an adhered roof system. This is an 18 page document that details considerations dealing with spf aggregate systems and new and remedial roofing. Spf can be sprayed in place in a way that builds slope to enhance drainage and eliminate ponding water.

Spf can be installed in various thicknesses to provide slope to drain or meet a specified thermal resistance r value. 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 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. Adequate drainage is particularly important in these systems because of their natural sensitivity to water.

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.