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Dow Chemical

Dow Board Blue Insulation T&g 4x9 1 in

Mfg.# 4X9 1 in
Sku# 7818255
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*Estimated stock levels as of Sun, Apr 23, 2017. All items subject to prior sale. Please call ahead to verify.

STYROFOAM™ Brand Tongue and Groove Insulation features tongue and groove edges on all four sides of 2 ft x 8 ft boards 1 in thick or less and on the long edges of all other boards. The lightweight, moisture-resistant and thermally efficient Type IV extruded polystyrene foam insulation is suited for a wide range of residential and commercial construction applications.

Edge:Tounge & Groove
Length:108 in
Nominal Size:4X9
Thickness:1 in
Width:48 in