+1 to the previous comments. Depends on what the foam manufacturer specifies as well as what the exterior sheathing is going to be. I would also recommend a thicker foam for additional insulation and ... read more
John,
Surrounding trees should be trimmed back and prepared to handle the snow load.
Make sure windows and doors are caulked.
Clear items away from the side of the that could trap snow drifts and allo ... read more