Dow Polystyrene Insulation Board R Value

Ask your seller for the fact sheet on r value.

Dow polystyrene insulation board r value.

2 in x 4 ft x 8 ft. Shop dow r 10 common. Dow scoreboard is scored over 16 and 24 making it. How does it work.

2 vertical compressive strength is measured at 10 percent deformation or at yield whichever occurs first. Resistance to the flow of heat is measured in r value the higher the r value the harder it is for heat to get through. R means resistance to heat flow. Dow invented a process for extruding polystyrene to achieve a closed cell foam that resists moisture.

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. Since styrofoam brand extruded polystyrene foam insulations are visco elastic materials adequate. Styrofoam extruded polystyrene insulation is rated at an r value of 5 0 per inch at 75 f. R values are expressed in ft h f btu.

The higher the r value the greater the insulating power. Dow styrofoam scoreboard insulation board blue board 4 ft by 8 ft sheet 1 5 thick r value 7 5 a nonstructural rigid board insulation manufactured of extruded polystyrene foam xps. This product typically has an r value of 3 6 to 4 0 per inch of thickness.