Dow Extruded Polystyrene Board Insulation R Value

It s high r value year after year even after prolonged exposure to moisture and freeze thaw cycling.

Dow extruded polystyrene board insulation r value.

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. 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. 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. It provides about r 5 per inch.

Since styrofoam brand extruded polystyrene foam insulations are visco elastic materials adequate. R values are expressed in ft h f btu. Since styrofoam brand extruded polystyrene foam insulations are visco elastic materials adequate design safety factors should be used to prevent long term. Expanded polystyrene foam eps is the cheapest and least used foam board product on the market.

Styrofoam brand scoreboard insulation meets astm c578 type iv standard specification for rigid cellular polystyrene thermal insulation with an r 5 value per inch the 2 in. Ask your seller for the fact sheet on r value. 2 in x 4 ft x 8 ft. Styrofoam brand scoreboard is an r 10 insulation board.

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. The higher the r value the greater the insulating power. R means resistance to heat flow. 2 vertical compressive strength is measured at 10 percent deformation or at yield whichever occurs first.

This product typically has an r value of 3 6 to 4 0 per inch of thickness. Shop dow r 10 common. Working with home insulation boards. R value determined by astm c518.

Dow styrofoam insulation blue board is a nonstructural rigid board insulation manufactured of extruded polystyrene foam xps. 2 vertical compressive strength is measured at 10 percent deformation or at yield whichever occurs first. Choose this option for areas that need a good amount of strength and water resistance. 0 55 in x 4 ft x 8 ft.