Reflective insulation is a type of thermal insulation ... just like fiberglass batts, foam board and other insulation products. If there are additional benefits, such as reducing air leakage ...

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 ...

More commonly used to insulate walls in living spaces than attics, rigid board insulation is made from polyisocyanurate or polyiso, extruded polystyrene (XPS) or expanded polystyrene (EPS).