Description
Using Dow’s Styrofoam* residential sheathing extruded polystyrene insulation board on your exterior walls will boost the performance of the entire wall system. This investment will pay for itself in just a few years and will continue to provide value for years to come.
- Plastic film on both sides
- Moisture resistant
- Moderates temperature in walls
- Reduces moisture condensation
- Provides a level,even surface for exterior sheathing
- Score & snap
R-ValueR3Length9Width4Thickness1/2
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