Q: Help! My home feels cold in the winter and too hot in the summer, and I think I need to add insulation. But how much insulation do I need? A: According to the Insulation Institute, around 90 ...

In this video, learn how to install insulation in walls and ceilings, including fiberglass batts and insulation in roof trusses. Discover the purpose of rafter baffles or rafter vents and how to ...