Polyiso Roof Insulation R Value Per Inch

Polyisocyanurate insulation is a common commercial and residential roof and wall insulation.

Polyiso roof insulation r value per inch.

Excellent lttr value compared to any other fm class 1 rated products of equivalent thickness. Dated its r value recommendations for polyisocyanurate insulation used in roof systems. Jm is proud to be a pima member and have its product third party certified under the pima quality mark program. Fm approved subject to the conditions of approval as a roof insulation when installed as shown in the current edition of the factory mutual research approvals guide.

Carlisle s tapered insulation helps promote rooftop drainage while providing excellent insulating value. Polyiso still remains the highest r value per inch of any available insulation. When it comes to insulation performance the difference is in the details. However labeled r value differs from in service r value for many insulations.

R value chart for enerfoil tm rigid foam faced insulation conditioned per atsm c1289 test method astm c518 1 2. Tapered polyiso minimizes the negative effects of ponding water and extends the service life of a roof. All products in the acfoam polyiso roof insulation family are closed cell rigid foam insulation board flat or tapered. Polyiso insulation is the best choice as a cost effective energy efficient and environmentally responsible insulation product.

A true environmental winner polyiso is a good choice for leadership in energy and environmental design leed credits. Jm suggests that design professionals use 5 7 r inch as a design specification for its foam products. Membrane roof systems 2011 and the nrca roofing manual. Building science corporation bsc and others have been examining this difference.

Benefits of energyguard polyiso roof insulation include. The reflective foil facing makes it an excellent insulation board when radiant heat is involved. Membrane roof systems 2015 nrca had recommended designers use in service r values of 5 0 per inch thickness in predominant. In the nrca roofing manual.

Polyiso s unique benefits include highest r value per inch. It has one of the highest r values per inch of thickness among common insulations. Jm revised lttr values. Polyiso has a high r value per inch compared to other insulation products.

With premium polyiso manufacturing atlas is able to produce the highest effective r values with minimal material thickness.