Now that I think about it, the cheapest way to do this might be to spray the walls in one inch of either closed-cell spray foam or XPS (depending on your wall's smoothness), and then cover that in rigid …

Aug 23, 2024 · From preparation to installation, This Old House's Tom Silva shows how to insulate your basement.

Jan 5, 2026 · Wondering if you should insulate your basement? Learn about the costs, benefits, materials, and installation process.

From traditional fiberglass batts to modern spray foam solutions there’s a perfect insulation method that’ll work for your basement while staying within your budget.

Dec 10, 2025 · Insulating your basement is an excellent way to improve your home's comfort and energy efficiency, and could save you money down the road. Here's how much you can expect to pay based …

Nov 16, 2024 · Looking for basement insulation ideas? Our experts reveal nine great ideas to weather-proof your basement year round

Basement wall insulation can be placed on the exterior side of the wall, on the interior side of the wall, or on both sides of the wall. In this article, I’ll discuss the three most common ways to insulate a …

Feb 28, 2025 · Insulating a basement is a key step in finishing the home and helps to ensure that the heat generated by the furnace remains inside during the winter. The insulating layers also work to …

Mar 27, 2025 · A moist and cold basement is actually one of the many signs of poor insulation. Best approach: Spray foam insulation, combined with waterproofing, prevents mold and moisture damage …

Dec 1, 2025 · Insulating a basement is a cost-effective way to improve a home’s energy efficiency and increase comfort. The goal is to maximize thermal resistance (R-value) while using materials and …