Old milk jugs and pool noodles are standard materials for repurposing, but check out what you can do with items like books ...

Foam board insulation is easy to use and a great DIY way to add some insulation. It comes in standard-size 4×8 sheets and smaller sizes, in thicknesses from 1/4-in. to two inches. Some types of ...

DIY spray foam insulation costs depend on type and quantity. This guide breaks down the cost of closed-cell foam kits, ranging from $40 to $500 based on size.

CR's guide to home insulation will help you decide where and how to install the right type of insulation for the best results and biggest energy savings. Ad-free. Influence-free.

Spray foam insulation is a composite material formed when two chemicals (isocyanate and polyol resin, typically) meet. Kept in two separate hoppers or tanks and transported by gas pressure or a ...