The short, stiff straw on cans of expanding foam sealant makes it difficult to reach some areas. The solution is to buy a length of 1/4-in. tubing at the home center and use it to extend the straw.

However, most experts now recommend using expanding foam insulation to fill the gaps. You can buy this insulation in aerosol cans at most home centers and building-supply outlets.

Q: I plan to install several replacement windows myself. What should I use to fill the gaps around the perimeter of the replacement windows and the existing window frames? A: It used to be standard… ...

Key Specs. Size: 12 canisters containing 30 ounces each Color: Orange Coverage: 3 inches Combining an impressive expanding capacity—3 inches—with a dozen cans of foam, this Great Stuff Pro kit ...