Plugging holes on the exterior of your house with foam sealant is a great way to stop air infiltration, but it may not keep out pests. Mice can and will chew right through the regular expanding foam, ...

Q: My question is about foam insulation. I went to a meeting about insulating attics, and the speaker said that you could seal up the entire attic with foam with no ill effects. He would spray the ...

The exhaust pipe for my furnace is a round pipe in a square hole, so it doesn't fill the entire opening. The cable company has taken advantage of this by running my cable line in through the same hole ...

While most air conditioners have expanding parts that create a more secure fit, you’re still likely to have small gaps where bugs, humidity, and hot air could enter your home. That’s where the best ...