Spf Roofing Details

Spf can be sprayed in place in a way that builds slope to enhance drainage and eliminate ponding water.

Spf roofing details.

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. 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. Typical roof edge detail in remedial applications the spf is applied over the existing metal gravel stop. Spf based roof systems are constructed by mixing and spraying a two component liquid that forms the base of an adhered roof system.

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. This fully adhered self flashing system is seamless and seals all penetrations with no joints or fasteners. 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. Studies conducted by structural research inc.

Adequate drainage is particularly important in these systems because of their natural sensitivity to water. Offer the lowest lifecycle cost. The standard spf roofing application consists of three components the substrate often your roof deck the spf layer and the top coat. The binder includes product specifications detailed drawings and illustrations technical datasheets and a number of informational brochures.

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. For the national roofing foundation texas a m university michelsen technologies llc and the national roofing contractors association show that spf roofing systems. 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. Spf roof systems can be customized to fit particular drainage requirements.

A protective surfacing is then applied to the foam to provide protection from the elements. Spf can be installed in various thicknesses to provide slope to drain or meet a specified thermal resistance r value. 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. The polyurethane foam keeps heat out in the summer and in during the winter lowering energy costs for facility owners.

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.