R 30 Foam Board Insulation

Radiant barriers and vapor barriers are not rated by r values.

R 30 foam board insulation.

Owens corning r 30 unfaced 16 by 48 fiberglass batt insulation fits 2x10 floor or attic a total of 8 bags and square footage of 426 64 ft 5 0 out of 5 stars 1 456 20 456. Note that the material the insulation is made from will change the r value as well. Because of this i often get questions about which type of foam board insulation to use and what r values these products provide. Knauf ecobatt r 19 kraft faced fiberglass insulation batts all sizes.

Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency. Foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products in a wide choice of sizes thicknesses and edges with a lifetime limited warranty for the life of the home or building. R panel is manufactured with a closed cell polyisocyanurate foam core bonded to fiberglass reinforced facers and designed for use over metal nailable and non nailable roof decks with a variety of membrane systems. There are three basic foam insulation board products on the.

Foam board insulation types. Rigid foam insulation also offers benefits as air barrier which can be accomplished when the boards are sealed at joints and edges with tape and spray foam. Insulation project calculator how to install naima r value certification product training videos colab learning video library for pros distributor locator why owens corning insulation propink vs. Foam board insulation.

Double bubble white foil reflective insulation rolls all sizes. 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. Rigid foam panels come in a variety of thicknesses and widths but 2 ft. 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.

Owens corning foamular 250 extruded polystyrene xps rigid foam insulation is a closed cell highly moisture resistant rigid foam board well suited to meet the needs for a wide variety of residential and commercial construction applications. Products can be used on wood steel framing or concrete walls. Rmax thermasheath 3 4ft x 8ft polyiso rigid foam insulation board all sizes. The products are easy to handle score cut and install and no special tools are needed.