It comes in batts, rolls, and loose-fill style. Cons: It has a modest R-value and is more permeable to air than, say, spray foam insulation, so effective sealing before insulation is critical.

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 ...

An estimated 250,000 homes in the UK have spray-foam insulation, said the BBC. And, because much of was it installed under the previous government's Green Homes Grant scheme, there are growing ...