Simple to use and extremely effective, expanding foam is essential if you want to ensure that cracks, gaps, and holes in your home are shored up and sealed. Once it’s applied—whether that’s on wood, ...

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 ...

Expanding foam is a liquid that expands and hardens, which makes it highly effective at general gap filling. You can use expanding foam to fix windows and door seals and minimize cold drafts. This ...

Q: I just got a bid for insulation of my 824-square-foot attic for $1,200. That seems pretty high. The contractor would blow in cellulose insulation. But you have said that expandable foam against the ...

When temperatures drop, you usually feel it first not in the walls, but in the tiny gaps where cold air sneaks in and warm air slips out. Instead of tearing into drywall or budgeting for a major ...

Wintry drafts snaking through an old house usually indicate that it needs insulation. Insulating your home is essential for warmth, energy efficiency, comfort, and indoor air quality. However, if an ...