Dow Extruded Polystyrene Board Insulation R Value

Key features excellent long term stable insulating performance at r 51 per inch exceptional moisture resistance long term durability limited lifetime warranty2 maintains 90 of r value and covers all astm c578 properties.

Dow extruded polystyrene board insulation r value.

Dow styrofoam insulation blue board is a nonstructural rigid board insulation manufactured of extruded polystyrene foam xps. Ask your seller for the fact sheet on r value. This material offers the highest r values about r 6 to 6 5. 0 55 in x 4 ft x 8 ft residential sheathing square edge 1 faced polystyrene garage door foam board insulation with sound barrier item 15348 model 201549.

0 55 in x 4 ft x 8 ft. R means resistance to heat flow. Styrofoam brand scoreboard is an r 10 insulation board. Expanded polystyrene foam eps is the cheapest and least used foam board product on the market.

Since styrofoam brand extruded polystyrene foam insulations are visco elastic materials adequate. Working with home insulation boards. Blue board can be used both on exterior and interior walls to give you a continuous insulation barrier that can increase effective r value of the wall by up to 20. It provides about r 5 per inch.

2 in x 4 ft x 8 ft. Expanded polystyrene insulation is similar to the foam used for packing peanuts and it s typically used for insulated concrete forms also knows as icf s. 2 vertical compressive strength is measured at 10 percent deformation or at yield whichever occurs first. 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.

R values are expressed in ft h f btu. It s high r value year after year even after prolonged exposure to moisture and freeze thaw cycling. This product typically has an r value of 3 6 to 4 0 per inch of thickness. Shop dow r 10 common.

2 vertical compressive strength is measured at 10 percent deformation or at yield whichever occurs first. The higher the r value the greater the insulating power. Since styrofoam brand extruded polystyrene foam insulations are visco elastic materials adequate design safety factors should be used to prevent long term. R value determined by astm c518.