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Iso rigid insulation r value.
There are three basic foam insulation board products on the.
See also material data sheet msds 1511 or msds 1911.
Because of this i often get questions about which type of foam board insulation to use and what r values these products provide.
They keep your home at a comfortable temperature without the need to crank your heat.
Install it anywhere from the roof to the foundation.
As foam ages over time air and blowing agents diffuse in and out of the foam structure resulting in reduced r value.
Polyiso has a high r value per inch compared to other insulation products.
2 stated thermal resistance values are based upon conditioning requirements and test methodology found in astm c1289 and astm c518 for foil faced polyisocyanurate insulation.
Select 2 to 4 items to compare.
Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same.
R 3 2 polyisocyanurate rigid foam insulation board model 754404 13 82 13 82.
The lttr test is a technically supported more.
1 when joints penetrations detailed appropriately.
Rigid polyisocyanurate thermal insulation board.
Polyiso is unique in that the r value increases with the thickness of the foam so three inches of polyiso has a higher r value per inch than two inches.
Rigid insulation is one of the best tools to reduce your energy costs.
The information on this page is based on data considered to be true and accurate based on periodic internal.
I ve written several posts about how to insulation basement walls in which i promote the use of foam board insulation as the first line of defense against moisture and mold.
Firestone iso 95 gl insulation the highest thermal ratings.
Rigid foam insulation also known as insulating boards provide high r values.
Choose rigid insulation wisely and consider the effect its characteristics will have on the performance of the your project overall product cost and the best way to get the bang for your buck.
Foam board insulation types.