Iso Rigid Insulation R Value

Install it anywhere from the roof to the foundation.

Iso rigid insulation r value.

1 when joints penetrations detailed appropriately. You can even place it under the foundation slab. As foam ages over time air and blowing agents diffuse in and out of the foam structure resulting in reduced r value. Get free shipping on qualified iso foam board insulation or buy online pick up in store today in the building materials department.

They keep your home at a comfortable temperature without the need to crank your heat. There are three basic foam insulation board products on the. Polyiso has a high r value per inch compared to other insulation products. Rigid insulation is one of the best tools to reduce your energy costs.

Rigid foam insulation also known as insulating boards provide high r values. Firestone iso 95 gl insulation the highest thermal ratings. R 3 2 polyisocyanurate rigid foam insulation board model 754404 13 82 13 82. Because of this i often get questions about which type of foam board insulation to use and what r values these products provide.

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. As part of that standard the products must meet r value requirements presented as long term thermal resistance lttr. Because it s highly energy efficient with the highest r value ratings per inch the use of iso 95 gl insulation in a firestone roofing system provides a cost effective solution for today s oof design r challenges and is preferred for any and every roofing system. 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.

The information on this page is based on data considered to be true and accurate based on periodic internal. See also material data sheet msds 1511 or msds 1911. Select 2 to 4 items to compare. 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.

Foam board insulation types. 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.