The DOW 1-1/2 in. x 4 ft. x 8 ft. Styrofoam SB Board is a rigid extruded polystyrene (XPS) insulation panel designed for high moisture resistance and long-term thermal performance. Its durable structure and square edge profile make it ideal for wall sheathing, below-grade foundations, and roofing. Trusted in both residential and commercial applications.
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The DOW 1-1/2 in. x 4 ft. x 8 ft. Styrofoam SB Board is a rigid extruded polystyrene (XPS) insulation panel designed for high moisture resistance and long-term thermal performance. Its durable structure and square edge profile make it ideal for wall sheathing, below-grade foundations, and roofing. Trusted in both residential and commercial applications.