Polyisocyanurate Insulation In Attic

A polyiso continuous insulation system keeps energy and heat loss to a minimum increasing the building s energy efficiency and leading to lower monthly operating costs.

Polyisocyanurate insulation in attic.

These facings provide strength improve rigidity and enhance thermal performance. The attics are about as simple as can be with no dormers or other obstructions. As a spray foam alternative i m considering using continuous rigid foam along the 32ft long x 7ft slope in my side attic and just spray foaming in the lower joist bays and places where taping is difficult. Rmax thermasheath 3 2 in.

R 13 1 polyisocyanurate rigid foam insulation board. Polyisocyanurate board insulation is most commonly supplied as 1 2 x 2 4 m or 1 2 x 2 7 m 4 x 8 ft or 4 x 9 ft sheets in various thicknesses. Rmax thermasheath 3 1 in. Compressive strength refers to the ability of a rigid foam plastic board to resist deformation and maintain its shape when subjected to a force or load.

Polyisocyanurate insulation is a type of insulated foam board that offers a high level of thermal resistance and cold weather protection for your home. A 1 5 inch thick polyiso panel is rated r 9 that s almost double the rating per inch of typical attic insulations. R5 radiant acoustic insulation kit stc 19 5 piece price. By blocking thermal bridging a polyiso continuous insulation system increases the overall thermal performance of a wall assembly and a building.

R 6 polyisocyanurate rigid foam insulation board. Ideally your attic hatch insulation will match roughly the r value of the rest of the attic insulation so the almost double value provides a handy guide to the thickness of your polyisocyanurate insulation.