Rigid Foam Insulation Thickness

For a 1 in thick 4 8 panel comes unfaced or with a number of different plastic facings.

Rigid foam insulation thickness.

Thicker sheets up to 6 in. R 3 2 polyisocyanurate rigid foam insulation board r matte plus 3 thermasheath 3 is rigid foam r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board. Eight inches of poor quality insulation may have a higher and better r value than one inch of top quality insulation. It is denser than eps and provides more r value with a rating of 5 per inch of thickness.

It s made of environmentally sound closed cell polyisocyanurate foam bonded to a durable white matte non glare aluminum facer and a reflective reinforced aluminum facer. It is often used as a layer of continuous insulation on exterior walls and in the roof. Most lumberyards carry insulation ranging from 1 2 in. This foam board insulation is available with straight or tongue and groove edges to help limit air movement.

As a foil faced polyisocyanurate foam insulation enerfoil tm s r value actually more than doubles. Rigid foam sheets are sold in several thicknesses. Rigid foam insulation packs a lot of r value into a relatively thin package. So you need to know an insulation product s thickness as well as its r value in order to compare it to another product.

Excelsis design pack of 15 foam boards acid free 16x20 inches many sizes available 3 16 inch thick mat white with white core foam core backing boards double sided sheets 4 5 out of 5 stars 671. Amazon s choice for rigid foam. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. 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.

Extruded polystyrene xps rigid foam insulation owens corning foamular 250 extruded polystyrene xps rigid foam insulation is a closed cell highly moisture resistant rigid foam board well suited to meet the needs for a wide variety of residential and commercial construction applications. 1 16 of 510 results for rigid foam insulation price and other details may vary based on size and color. Rmax r matte plus 3 1 2 in.