Foam Board Insulation R Value

Used in this way the foam lowers the loss of energy through framing members a phenomenon called thermal bridging and increases the overall r value of the roof or wall assembly.

Foam board insulation r value.

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. This is an even more dense and more expensive foam board 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. It provides an r value of 6 per inch of thickness and often comes foil faced to help reflect radiant heat.

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. Compare click to add item insofast exi 2 5 r 10 eps foam board insulation panels 40 sq. 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. For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed.

This is the product that i typically use to insulate basement walls. Kingspan insulation r 3 common. Typically a higher insulation r rating means better climate control and better energy efficiency for your home. 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.

0 56 in x 4 ft x 8 ft. When making a selection below to narrow your results down each selection made will reload the page to display the desired results. 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.

Fiberglass insulation is less than half the price of rigid foam insulation when calculated by r value per square foot. Ft to the compare list. 0 56 in x 4 ft x 8 ft 1 unfaced polystyrene foam board insulation item 511270 model 100000050497. Polyiso comes in several thicknesses and is used over house sheathing underneath siding or in attic spaces where its reflective properties are very effective.

Rigid foam insulation packs a lot of r value into a relatively thin package. A higher insulation r value usually means a higher price point as well. Add to list click to add item insofast exi 2 5 r 10 eps foam board.