Pvc Roofing R Value

Increased chemical resistance compared to other roofing technologies.

Pvc roofing r value.

Tpo roofing and single ply pvc roofing. R value is used in the united states. High reflectivity for greater energy savings. Insulation is important because it saves energy by reducing heat loss.

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. R value of various 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. To convert rsi to r value multiply the rsi by 5 67826.

Rsi r value système international is the metric equivalent. Guarantees are available up to 20 years when using everguard pvc 60 mil membrane. Both types have an r value ranging from 4 r to 6 r per 1 inch of insulation thickness. Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials.

Protector hd allows easy efficient scoring cutting and snapping which permits fast tight fabrication and all in a low dust environment. Pvc polyvinyl chloride a thermoplastic membrane utilizing a reinforcement scrim between the two plies of equal thickness ib roof only. Both of these insulation boards carry an r value that ranges from 4 r to 6 r per 1 inch of insulation thickness. Then you will want a higher r value in your roofing insulation and roofing materials.

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. High r value 2 5 r. Easy three step installation to reduce the chance of application errors.

Modified bitumen are asphalt roofs with a rubber like look and feel. Provides significantly more thermal insulation r value than wood fiber or gypsum boards. Heat welded seams for greater reliability. 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. Prior to installing the pvc roofing membrane itself typically some type of insulation board is put in. 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. The following table is in metric form.

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.