Closed Cell Foam Board Insulation R Value

This foam board insulation is available with straight or tongue and groove edges to help limit air movement.

Closed cell foam board insulation r value.

R tech rigid foam insulation. Our r value guide to rigid insulation includes the doe s recommended insulation by zone chart r value calculator and base building material r values chart. This insulation board is probably one of the most widely used foam board insulation products in the residential construction industry. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.

Two inches of closed cell foam will provide r12 r14 of insulation. Closed cell foam r6 r8. R tech is available with factory adhered metallic reflective facers white facers or a combination of the two. Extruded polystyrene foam board 1.

For example closed cell spray foam depending on brand can offer an r 6 or r 7 per inch. Why spray foam insulation is so effective in meeting code requirements is that it has a higher r value per inch of product used than batts. Expanded polystyrene foam board 1 inch thick 3 8 4 4. Closed cell polystyrene spray foam 1 inch thick 6 5.

R tech panels are an engineered rigid insulation consisting of a superior closed cell lightweight and resilient expanded polystyrene eps with advanced polymeric laminate facers. Xps has an r value of 4 5 to 5 0 per inch of thickness. Closed cell spray foam r values. R matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board.

Open cell spray foam has an r value of about r 3 7 per inch while closed cell spray foam has an r value that may be as high as r 6 5 per inch. 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. They sport an r value of 6 0 8 0 per inch of insulation about double their open cell foam counterparts. 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.

Because the exposed portions of the studs are basically indoors and not part of the insulated wall assembly. Of closed cell foam insulation the r value of the studs is based on a stud depth of 3 in not 3 1 2 in. For example if a 2 4 wall has 3 in. If you want to install spray foam in a stud wall and price is no object then it would seem to make sense to specify closed cell spray foam right.

This is the product that i typically use to insulate basement walls. It is denser than eps and provides more r value with a rating of 5 per inch of thickness. As a result the heat loss due to thermal bridging through the framing is greater.