Foam board insulation is easy to use and a great DIY way to add some insulation. It comes in standard-size 4×8 sheets and ...

Cons: Foam board insulation can be harder to install snugly in unusually shaped spaces, leaving gaps for air to flow. To create an effective air and moisture seal, you need to tape all seams ...

Instead of fibre insulation ... t want foam showing on roof edges, you’ll need to apply solid wood to the edges of the roof and the eaves. The drawing shows how to install a wide board for ...