Polyiso Rigid Insulation R Value

Rigid insulation r value per inch chart hoskin.

Polyiso rigid insulation r value.

It provides about r 5 per inch. Choose this option for areas that need a good amount of strength and water resistance. R value chart for enerfoil tm rigid foam faced insulation. Written by kupis on may 7 2020 in chart.

Some products have reinforced facing to make them sturdier. Polyisocyanurate polyiso is a closed cell rigid foam board insulation that is bonded to facers on both sides which are composed of various organic and inorganic materials. Polyisocyanurate polyiso is a closed cell rigid foam insulation board made with recycled content that is widely used in commercial roofing. As part of that standard the products must meet r value requirements presented as long term thermal resistance lttr.

R value chart caflei closed cell and open insulation r values in pir roof insulation embly 5 interior insulated cmu wall gm 0702 to insulating sheathing. Thickness inches r value in i p imperial rsi r value in metric 0 5. The requirements for measuring and reporting thermal resistance as well as minimum r values for polyiso products are described in two relevant product standards. Benefits of energyguard polyiso roof insulation include.

What is polyiso insulation. Polyiso insulation is the best choice as a cost effective energy efficient and environmentally responsible insulation product. It provides r values that range from 3 6 to 4 2 per inch. This material offers the highest r values about r 6 to 6 5.

Value testing of polyisocyanurate insulation and found r values lower than the current lttr values. Updated recommendations although the lttr method for determining and reporting the. Polyiso rigid insulation r value chart. For the united states market the applicable standard is astm c1289 standard specification for faced rigid cellular polyisocyanurate thermal insulation board.

Conditioned per atsm c1289 test method astm c518 1 2. 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. Polyiso has a high r value per inch compared to other insulation products. Excellent lttr value compared to any other fm class 1 rated products of equivalent thickness.

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. Rigid polyisocyanurate thermal insulation board. Polyiso is used in roof wall ceiling and specialty applications within commercial and residential buildings of all types.