3. Fiberglass batts Fiberglass batts are a popular, cost-effective choice for basement insulation. They’re relatively easy to install in walls or ceilings and offer excellent thermal resistance.

1. Why Insulating Basement Walls Is Worth It Investing in the right product can improves the overall quality and durability of your home. Uninsulated basements tend to have cold walls and the ...

Rigid Foam — Foil-faced ISO rigid foam insulation can be used to insulate basement walls and provide moisture resistance. Fiberglass Batt — Batt doesn't have the sound-reducing quality that ...

Q: I just bought my first house and am about to remodel my basement. The previous owners of the house glued 2-inch-thick foam insulation to the poured concrete walls.

Adding insulation between the wall studs will increase the insulating value of the wall, keeping the finished space more comfortable. Fill the stud bays with batts of R-13 or R-15 insulation.

Once the mechanicals are installed, wall insulation is next. I’d use high-density 3½-inch fiberglass batts in the walls, and sections of 6-inch batts in the perimeter joist band area.

The rigid-foam insulation method works best if the foundation walls are smooth. If the basement is an old stone foundation, insulation companies can spray expanding foam directly on the rough masonry.

This water on the walls is the needed fuel for mold and mildew growth. When you insulate a basement in order to finish it, you need to account for this water issue.

Rigid foam insulation works best if the foundation walls are smooth. If the basement is an old stone foundation, insulation companies can spray expanding foam directly on the rough masonry.