Note that the material the insulation is made from will change the r value as well.
Foam board insulation r value per inch.
Thermal conductivity k 0 15.
Estimated r value of asbestos insulation per inch for pipe insulation corrugated paper.
Insulation blankets batts and rolls spray foam insulation.
Asbestos cement board r value.
R 6 polyisocyanurate rigid foam insulation board.
This insulation board is probably one of the most widely used foam board insulation products in the residential construction industry.
R 7 7 rigid foam insulation.
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.
R5 radiant acoustic insulation kit stc 19 5 piece 0 625 in.
Asbestos loose packed fibers powder.
Blown in or loose fill insulation.
This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.
Foam board insulation.
Here are the installation methods from lowest to highest average r value per inch.
Rmax r matte plus 3 1 2 in.
This foam board insulation is available with straight or tongue and groove edges to help limit air movement.
It is denser than eps and provides more r value with a rating of 5 per inch of thickness.
Extruded polystyrene foam xps also known as blue board or pink board comes in many different thicknesses and edge profiles.
Asbestos lagging and paste will have a lower value.
Asbestos cement shingle siding.
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.
Xps has an r value of 4 5 to 5 0 per inch of thickness.