Foam Board Insulation R Value Per Inch

1 2 inch 3 3 4 inch 9 1 inch 16 1 1 2 inch.

Foam board insulation r value per inch.

Asbestos cement board r value. Xps has an r value of 4 5 to 5 0 per inch of thickness. The r value for foamular xps insulation is provided from testing at two mean temperatures 40ºf and 75ºf and from two aging conditioning techniques 180 day realtime aged as mandated by astm c578 and a method of accelerated aging sometimes called long term thermal resistance lttr per can ulc s770 03. Asbestos loose packed fibers powder.

Asbestos cement shingle siding. Blown in or loose fill insulation. Thermal conductivity k 0 15. Iso is the most expensive of all rigid insulation materials.

It is denser than eps and provides more r value with a rating of 5 per inch of thickness. 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. Rmax r matte plus 3 1 2 in. Foam board insulation.

This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. Here are the installation methods from lowest to highest average r value per inch. This insulation board is probably one of the most widely used foam board insulation products in the residential construction industry. Ft to the compare list.

Closed cell insulation products such fiberglass batt insulation standard fiberglass insulation batts or blankets provide an r value of 2 2 to 3 8 per inch of thickness. Note that the material the insulation is made from will change the r value as well. This foam board insulation is available with straight or tongue and groove edges to help limit air movement. In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and an inch of blown cellulose in an attic has an r value of 3 2 3 7.

Asbestos lagging and paste will have a lower value. Insulation blankets batts and rolls spray foam insulation. When making a selection below to narrow your results down each selection made will reload the page to display the desired results. Extruded polystyrene foam xps also known as blue board or pink board comes in many different thicknesses and edge profiles.

The r value of closed cell foam is r 6 5 7 per inch. Compare click to add item insofast exi 2 5 r 10 eps foam board insulation panels 40 sq. 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. Jun 12 2017 in regards to closed cell sprayed in foam insulation r value can range between r 4 9 to r 7 1 per inch.

For example a wall with 3 fiberglass batting r value of 10 8. Estimated r value of asbestos insulation per inch for pipe insulation corrugated paper.