Insulating your attic walls is one of the best ways to get your home optimal energy efficiency. The amount of insulation ...

Rigid foam is the best insulation for rim joists. We chose 2-in.-thick (R-10) "extruded polystyrene." Don’t use "expanded polystyrene," which is a less effective air and moisture barrier.

Spray foam insulation in Bellingham WA has been hailed as the best solution for people interested in energy savings comfort and sustainability Spray foam recognized as the highest R-value material in ...