Foam board insulation types.
Foam board insulation high r value.
Phenolic foam spray insulation.
Foamular high r cw plus insulation combines outstanding moisture resistance with excellent thermal performance.
R 0 77 30 phenolic foam insulation r values.
The main advantage of high r cw plus insulation over other xps boards is its higher r value per inch.
Rigid insulation is one of the best tools to reduce your energy costs.
Because of this i often get questions about which type of foam board insulation to use and what r values these products provide.
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.
For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3.
Install it anywhere from the roof to the foundation.
8 3 4 4 8 2 20.
Corrosion problems when in contact with steel roofing moisture.
There are three basic foam insulation board products on the.
4 8 7 21.
High r cw plus insulation is a rigid closed cell xps board.
They keep your home at a comfortable temperature without the need to crank your heat.
4 5 21.
Very good air bypass leak sealing properties.
Rigid foam insulation also known as insulating boards provide high r values.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.