When you use the foam, make sure it is the XPS (Extruded Polystyrene Foam), not the plane styrofoam. Plane white styrofoam has little R value, XPS is R5 per inch. Michael
[Non-text portions of this message have been removed]
When you use the foam, make sure it is the XPS (Extruded Polystyrene Foam), not the plane styrofoam. Plane white styrofoam has little R value, XPS is R5 per inch. Michael
[Non-text portions of this message have been removed]