R Value Of 2 Inch Blue Foam Board

It provides r values that range from 3 6 to 4 2 per inch.

R value of 2 inch blue foam board.

Styrofoam brand scoreboard has a square edge treatment. Additional r value for a masonry wall constructed using these materials needs to add the insulating value of additional wall components typically included such as 1 solid foam polyisocyanurate r 8 extruded polystyrene r 5 expanded polystyrene r 4 or 1 of perlite r 2 7 and for an exterior air film winter no wind r 0 17 an interior. Shop dow r 10 common. Foamular extruded polystyrene xps rigid foam insulation offers foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products choose the strength you need from 15 to 60 psi and exceptional moisture resistance.

This material offers the highest r values about r 6 to 6 5. It provides about r 5 per inch. Some products have reinforced facing to make them sturdier. Pink and blue rigid foam insulation boards are made from polystyrene resin that is melted and then forced through a die to form it into the desired shape.

1 you need a minimum of 1 1 2 inches 2 preferably of foam closed cell xps to create a vapor barrier. Products provide superior insulating properties. That vapor barrier stops moisture from the foundation concrete from getting into the framed wall assembly. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.

With an r 5 value per inch the 2 in. One inch of foam board isn t sufficient for two reasons. Choose this option for areas that need a good amount of strength and water resistance. Styrofoam brand scoreboard is an r 10 insulation board.

Has a higher r value than wood fiber plywood or 1 2 in. One inch of foam board only provides a minimal insulating value. 2 in x 4 ft x 8 ft. 2 in x 4 ft x 8 ft.

As insulators pink and blue boards perform virtually identically with an insulating value of r 5 per inch of thickness. Energy star qualified to meet or exceed federal guidelines for energy efficiency for year round energy and money savings. Foamular 150 and 250 are available in various thicknesses and r values the difference is the compressive strength. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation.

Eps is used under roofing over foundation walls and beneath siding.