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| Hartje Lumber stocks Dow Styrofoam in a variety of sizes. |
4x8x1/2" SE |
R-3 |
25# Density |
4x8x3/4" T&G |
R-3.8 |
25# Density |
4x8x1" T&G |
R-5 |
25# Density |
4x9x1" T&G |
R-5 |
25# Density |
4x8x1-1/2" SE |
R-7.5 |
25# Density |
4x8x2" SE |
R-10 |
25# Density |
SE = Square Edge
T&G = Tongue & Groove Edge
