Foam Board Insulation R Value

Compare click to add item insofast exi 2 5 r 10 eps foam board insulation panels 40 sq.

Foam board insulation r value.

Add to list click to add item insofast exi 2 5 r 10 eps foam board. For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed. For example insulating a 10 square foot wall area to r 15 costs about 3 40 to 4 00 with fiberglass insulation while a comparable r value for rigid foam costs roughly 10. Xps has an r value of 4 5 to 5 0 per inch of thickness.

Polyiso comes in several thicknesses and is used over house sheathing underneath siding or in attic spaces where its reflective properties are very effective. A higher insulation r value usually means a higher price point as well. Because rigid foam plastic insulation products are not all aged in accordance with the same standards it is useful to publish comparison r value data. Fiberglass insulation is less than half the price of rigid foam insulation when calculated by r value per square foot.

Additional r value for a masonry wall constructed using these materials needs to add the insulating value of additional wall components typically included such as 1 solid foam polyisocyanurate r 8 extruded polystyrene r 5 expanded polystyrene r 4 or 1 of perlite r 2 7 and for an exterior air film winter no wind r 0 17 an interior. R values vary depending on many factors including the mean temperature at which the test is conducted and the age of the sample at the time of testing. Typically a higher insulation r rating means better climate control and better energy efficiency for your home. This is the product that i typically use to insulate basement walls.

When making a selection below to narrow your results down each selection made will reload the page to display the desired results. 0 56 in x 4 ft x 8 ft 1 unfaced polystyrene foam board insulation item 511270 model 100000050497. It provides an r value of 6 per inch of thickness and often comes foil faced to help reflect radiant heat. It is often used as a layer of continuous insulation on exterior walls and in the roof.

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. Rmax r matte plus 3 1 2 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. Kingspan insulation r 3 common.

This insulation board is probably one of the most widely used foam board insulation products in the residential construction industry. Rigid foam insulation packs a lot of r value into a relatively thin package. 0 56 in x 4 ft x 8 ft.