Pvc Roofing R Value
Increased chemical resistance compared to other roofing technologies.
Pvc roofing r value. Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. There are many websites on the internet which have imperial building material r value numbers but not so many with metric r value numbers. Prior to installing the pvc roofing membrane itself typically some type of insulation board is put in. Then you will want a higher r value in your roofing insulation and roofing materials.
Insulation is important because it saves energy by reducing heat loss. Provides significantly more thermal insulation r value than wood fiber or gypsum boards. Guarantees are available up to 20 years when using everguard pvc 60 mil membrane. Modified bitumen are asphalt roofs with a rubber like look and feel.
Easy three step installation to reduce the chance of application errors. To convert rsi to r value multiply the rsi by 5 67826. Built up roof is your standard tar and gravel flat roofing system which is a very low cost and somewhat dated kind of roof. R value is used in the united states.
Most commonly used insulation is iso or eps foam board. Pvc polyvinyl chloride a thermoplastic membrane utilizing a reinforcement scrim between the two plies of equal thickness ib roof only. You should of course see the manufacturer provided technical data sheet for the r value of specific products. Heat welded seams for greater reliability.
Sarnathin 50 utilizes sika s proven sarnafil roofing membrane along with r 50 systems rich e board a 1 5 inch thick vacuum sealed insulation with a protective covering on both sides and an r value resistance to heat flow of 50. Tpo roofing and single ply pvc roofing. Click here to go to our calculator to understand the real r value of a ceiling system or wall system with gaps in the insulation. For example two inches of extruded polystyrene with an r value of 11 has an rsi of 1.
Protector hd allows easy efficient scoring cutting and snapping which permits fast tight fabrication and all in a low dust environment. The following table is in metric form. This also means easy hoisting staging and maneuvering around the roof. Rsi r value système international is the metric equivalent.
High reflectivity for greater energy savings. R value of various materials. High r value 2 5 r. For a very good introductory overview article on r value see r values over at the website of.
To convert the r value of a specific thickness of a material to rsi divide the r value by 5 67826.