Polyiso Insulation R Value Per Inch

The increase in thermal resistance for thicker products is due to the reduced contribution of more thermally conductive elements such as the facer and the denser cell.

Polyiso insulation r value per inch.

Outstanding installed cost advantages and economical cost per r value. Polyiso still remains the highest r value per inch of any available insulation. A high r value per inch compared to other insulation products used in commercial and residential construction. Polyiso s unique benefits include highest r value per inch.

Building science corporation bsc and others have been examining this difference. An exclusive third party thermal performance certification. However labeled r value differs from in service r value for many insulations. And the change in lttr values effective january 1 2014.

Jm is proud to be a pima member and have its product third party certified under the pima quality mark program. Silverboard acoustic rigid foam insulation is a high silverboard acoustic rigid foam insulation is a high performance flat sheet insulation material made from expanded polystyrene eps which is coated with a layer of reflective film laminated on both sides. It has one of the highest r values per inch of thickness among common insulations. Keep in mind that polyiso s r value increases with thickness.

Polyiso has the highest r value per inch of any rigid board insulation. Let s use the r value of iko s polyiso insulation enerfoil tm as an example. Polyiso insulation is the best choice as a cost effective energy efficient and environmentally responsible insulation product. Polyiso has a high r value per inch compared to other insulation products.

Polyisocyanurate insulation is a common commercial and residential roof and wall insulation. Of polyisocyanurate insulation used in roof systems. A true environmental winner polyiso is a good choice for leadership in energy and environmental design leed credits. Does not melt when exposed to flame versus other types of rigid foam board astm e84 the low permeability of foil facing coupled with polyiso s high thermal performance make it ideal for controlling condensation in walls.

In service r values of 5 0 per inch thickness in predominant. R value chart for enerfoil tm rigid foam faced insulation conditioned per atsm c1289 test method astm c518 1 2. Polyiso is unique in that the r value increases with the thickness of the foam so three inches of polyiso has a higher r value per inch than two inches. This month nrca has revised and updated its recommen.