Install foam boards with the foil side facing you.
Foam insulating attic.
Get free shipping on qualified attic foam board insulation or buy online pick up in store today in the building materials department.
For pricing and availability.
2 in x 4 ft x 8 ft 1 unfaced polystyrene foam board insulation.
This alternative to traditional building insulation fiberglass can be applied into wall cavities holes concrete slabs and even onto roof tiles and attic insulation.
For pricing and availability.
Kingspan insulation r 10 common.
To create an airtight seal use foil tape.
Use furring strips nailed into the sides of the rafters so that you have something to fasten the board to.
2 in x 4 ft x 8 ft.