Polyiso Rigid Insulation R Value Per Inch

H shield cg hunter panels the big news the r value of insulation is r value chart caflei polyiso manufacturers turn blind eye to cellulose insulation vs foamrigid insulation r value per inch chart hoskinr value of polyisocyanurate insulation chart boskinrigid insulation r value chart koskintsp 3 page rmaxpir polyisocyanurate boards insulation thermalinsulation r values.

Polyiso rigid insulation r value per inch. A high r value per inch compared to other insulation products used in commercial and residential construction. Jm is proud to be a pima member and have its product third party certified under the pima quality mark program. Johns manville polyiso foam sheathing insulation boards provide a continuous layer of insulation to reduce thermal bridging and improve energy efficiency. Let s use the r value of iko s polyiso insulation enerfoil tm as an example.

Polyiso has a high r value per inch compared to other insulation products. R value chart for enerfoil tm rigid foam faced insulation conditioned per atsm c1289 test method astm c518 1 2. Polyiso is typically used with a foil facing and it has an r value of 7 0 to 8 0 per inch of thickness. Falls in the middle of the three types of rigid foam insulation in both cost and r value used most in walls or below grade applications recyclable and at about r 5 per inch costs around 42 per sq.

Polyiso consists of a uniform closed cell polyisocyanurate foam core and provides one of the highest r values per inch of any rigid insulation. Outstanding installed cost advantages and economical cost per r value. Polyiso has the highest r value per inch of any rigid board insulation. 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. For a 1 in thick 4 8 panel comes unfaced or with a number of different plastic facings. Polyiso s unique benefits include highest r value per inch. Jm suggests that design professionals use 5 7 r inch as a design specification for its foam products.

The reflective foil facing makes it an excellent insulation board when radiant heat is involved. Polyiso still remains the highest r value per inch of any available insulation. 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.