Insulating Interior Basement Walls

When insulating interior basement walls for new construction in zone 5 cold climate is it acceptable to apply dow thermax along the inner poured basement wall from the footing to the the top of the wall.
Insulating interior basement walls. Basements are a challenge because of high moisture levels and cooler temperatures. Interior basement wall insulation has the following advantages. Fiberglass batts poly and wood studs is still the most common method of insulating basement walls in canada but it s definitely not the most effective way to insulate the interior side of basement walls. Basement wall insulation is recommended in most of the u s.
Insulating interior walls have negligible if not quite zero savings and comfort benefits. It is much less expensive to install than exterior insulation for existing buildings. Adhere and apply the remaining panels. Insulating basement walls start by gluing 3 4 inch extruded polystyrene foam insulation to fit against the rim joists and foundation walls.
Creates a finished appearance. Allows spacing for electrical wiring and other utilities. You may want to soundproof one room from another and that is a legitimate reason to consider interior insulation. Styrofoam brand insulation is a rigid insulation that can be placed directly on walls framing and drywall.
Considering the potential but negligible benefits you create odd potentially problematic heat dynamics. When insulating interior basement walls in a finished basement use our styrofoam brand insulation. Except for the deep south. Just like a blotter batt insulation products absorb and hold moisture which in turn provides the perfect environment for mold growth.
Best methods for insulating basement walls. Step by step basement insulation installation. The best insulation to use is rigid foam which is largely unaffected by moisture. With the correct insulation your basement can stay warmer in the winter by keeping the cold from penetrating your basement walls and cooler in the summer by adding a layer between you and the hot air outside.
Conserve room area relative to installing insulation on the interior. Basements provide for a very challenging insulation problem. Can the dow thermax replace the. Almost any insulation type can.
Make sure your adhesive is free of solvents which can eat away at the foam insulation. After the cement is set apply a foam board adhesive to the rear of a polystyrene insulation panel then press the panel to the wall. In an existing home adding insulation to the exterior of the basement walls is impractical. I ve written several articles on insulating basement walls and evolved some of my methods over time.
However you can stop that by properly insulating it against all of the weather fluctuation outside.