Dow Styrofoam sm

Dow Styrofoam sm

Product Code: Dow-007

Dow SM is an extruded polystyrene with an insulating value of R5 per inch. STYROFOAM* SM, with its high compressive strength and moisture resistance, is recommended for use in below-grade applications, such as foundation or slab insulation, and ceiling applications. We stock Dow SM in 2' x 8' sheets in 1", 1-1/2" and 2" thicknesses.

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