Dow 2 Rigid Insulation R Value

R value determined by astm c518.

Dow 2 rigid insulation r value.

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. This product typically has an r value of 3 6 to 4 0 per inch of thickness. Since styrofoam brand extruded polystyrene foam insulations are visco elastic materials adequate design safety factors should be used to prevent long term creep and fatigue deformation.

Thd sku 740551. The r value for foamular xps insulation is provided from testing at two mean temperatures 40ºf and 75ºf and from two aging conditioning techniques 180 day realtime aged as mandated by. The glass fiber reinforcement contributes to improved fire performance and dimensional stability. This material offers the highest r values about r 6 to 6 5.

Thermosetting resins from dow can be used as an alternative to traditional formaldehyde based resins for binding mineral fibers in the production of insulation blanket products that go into building insulation systems and specialty insulation. Super tuff r r 13 2 in. Shop dow sm extruded polystyrene insulation 2 ft x 8 ft at lowe s canada online store. It is lightweight and easy to install.

It provides r values that range from 3 6 to 4 2 per inch. Choose this option for areas that need a good amount of strength and water resistance. Some products have reinforced facing to make them sturdier. It provides about r 5 per inch.

2 vertical compressive strength is measured at 10 percent deformation or at yield whichever occurs first. R value expressed in ft2 h f btu. Shop dow r 10 common. 1 aged r value at 1 of cured foam 75 f mean temperature.

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