Polyiso Insulation R Value Per Inch

Of polyisocyanurate insulation used in roof systems.

Polyiso insulation r value per inch. Let s use the r value of iko s polyiso insulation enerfoil tm as an example. 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. With the publication of this interim update nrca has revised its design in service r value rec ommendation to 5 0 per inch thickness in all climate conditions. An exclusive third party thermal performance certification.

However labeled r value differs from in service r value for many insulations. This highly effective combination of materials offers a higher r value per inch compared to traditional flat sheet rigid foam insulation. 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.

And the change in lttr values effective january 1 2014. A high r value per inch compared to other insulation products used in commercial and residential construction. A true environmental winner polyiso is a good choice for leadership in energy and environmental design leed credits. This month nrca has revised and updated its recommen.

Polyiso still remains the highest r value per inch of any available insulation. Polyiso s unique benefits include highest r value per inch. In service r values of 5 0 per inch thickness in predominant. It has one of the highest r values per inch of thickness among common insulations.

Outstanding installed cost advantages and economical cost per r value. Jm is proud to be a pima member and have its product third party certified under the pima quality mark program. Polyiso has the highest r value per inch of any rigid board insulation. 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 is the best choice as a cost effective energy efficient and environmentally responsible insulation product. 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. For example a two inch polyiso product has more than twice the insulating value than a one inch product. Keep in mind that polyiso s r value increases with thickness.