Pvc Roofing R Value

Rsi r value système international is the metric equivalent.

Pvc roofing r value.

High reflectivity for greater energy savings. High r value 2 5 r. Protector hd allows easy efficient scoring cutting and snapping which permits fast tight fabrication and all in a low dust environment. Heat welded seams for greater reliability.

Pvc polyvinyl chloride a thermoplastic membrane utilizing a reinforcement scrim between the two plies of equal thickness ib roof only. Tpo roofing and single ply pvc roofing. To convert the r value of a specific thickness of a material to rsi divide the r value by 5 67826. Additional r value for a masonry wall constructed using these materials needs to add the insulating value of additional wall components typically included such as 1 solid foam polyisocyanurate r 8 extruded polystyrene r 5 expanded polystyrene r 4 or 1 of perlite r 2 7 and for an exterior air film winter no wind r 0 17 an interior air film again no air movement r 0 68 3 4 of.

Easy three step installation to reduce the chance of application errors. R value is used in the united states. Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. Modified bitumen are asphalt roofs with a rubber like look and feel.

There are many websites on the internet which have imperial building material r value numbers but not so many with metric r value numbers. Increased chemical resistance compared to other roofing technologies. Built up roof is your standard tar and gravel flat roofing system which is a very low cost and somewhat dated kind of roof. Most commonly used insulation is iso or eps foam board.

Guarantees are available up to 20 years when using everguard pvc 60 mil membrane. This also means easy hoisting staging and maneuvering around the roof. The following table is in metric form. Both of these insulation boards carry an r value that ranges from 4 r to 6 r per 1 inch of insulation thickness.

Prior to installing the pvc roofing membrane itself typically some type of insulation board is put in. Provides significantly more thermal insulation r value than wood fiber or gypsum boards. To convert rsi to r value multiply the rsi by 5 67826. You should of course see the manufacturer provided technical data sheet for the r value of specific products.

For a very good introductory overview article on r value see r values over at the website of. Then you will want a higher r value in your roofing insulation and roofing materials. Both types have an r value ranging from 4 r to 6 r per 1 inch of insulation thickness. 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.

R value of various materials.