Highest R Value Insulation Board
Radiant barriers and vapor barriers are not rated by r values.
Highest r value insulation board. R value is a measure of insulation s ability to resist heat traveling through it. Foamular high r cw plus insulation combines outstanding moisture resistance with excellent thermal performance. Recommended home insulation r values. Foam board insulation.
Rigid foam insulation offers as much as double the r value of traditional fiberglass batts according to the united states department of energy. Unfinished foundation and basement walls are typical applications for these boards which only require two to three inches to achieve the recommended r 11 for basement. This foam board insulation is available with straight or tongue and groove edges to help limit air movement. Notes to the table above.
Barrier ultra r super high r building panels produced by glacier bay use aerogel and are rated up to r 30 per inch or in barrier ultra r panels r 50 per inch. Rosato asbestos insulation is the most authoritative source on asbestos properties and gives data for the thermal conductivity of asbestos in different forms and with varying temperatures for magnesia asbestos insulation at mean temperatures ranging from 100 f to 400 f the k value thermal. High r cw plus insulation is a rigid closed cell xps board. This insulation board is probably one of the most widely used foam board insulation products in the residential construction industry.
Rmax r matte plus 3 1 2 in. Your home doesn t necessarily need the highest r value insulation. The best insulating rigid foam. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.
The r value your insulation needs depends on your local climate. The table below shows what levels of insulation are cost effective for different climates and. 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. The higher the r value the better the thermal performance of the insulation.
Note that the material the insulation is made from will change the r value as well. Rigid foam insulation comes in various materials including polystyrene r 3 8 to r 5 0 polyurethane r 5 5 to r 6 5 and polyisocyanurate r 5 6 to r 8 0. The ultra r r 50 insulating panel is a rigid polypropylene encased vacuum insulation panel that is custom made to the client s specified dimensions. Insulation level are specified by r value.
Notes on the r value k values of different forms of asbestos. 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. Extruded polystyrene foam xps also known as blue board or pink board comes in many different thicknesses and edge profiles.