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 ...

Apply thermal paint. While not as effective as improving the insulation of the wall itself, using thermal paint could be an ...

(If the existing insulation is faced—meaning it has a moisture barrier attached to it—you don’t want the layer you add to be faced, too.) Aim for at least 13 to 14 inches of attic insulation if you ...

Q: How should my son and I insulate the upper storey walls and sloped ceilings in the 60-year-old house he just bought? A: I recommend keeping your work process as simple and clean as possible, and ...