Insulating Cathedral Ceiling With Foam Board

It fills and seals the space and doesn t absorb moisture.

Insulating cathedral ceiling with foam board.

Rigid boards are manufactured from either. Spray foam is a very expensive option however. Attic trusses typically have a sloping ceiling. Solve moisture and rot problems in insulated cathedral ceilings with closed cell foam ceiling insulation.

Regular ceilings are likely to be under attics with either batt insulation between the joist bays or in some cases rigid insulation between the rafters. Insulating cathedral ceilings can be quite challenging. These should have straightforward framing with no skylights and with direct access to soffit and ridge vents. By the diy experts of the family handyman magazine the foam solution to ceiling moisture problems.

In most cases however insulation will not help prevent moisture problems. Foam board insulation would be a more economical especially if you are supplying the labor see photo. The new workshop will be located over my garage in an area that was framed using attic trusses when we built the new house. A less expensive alternative is the more traditional vented cathedral ceiling insulated with fiberglass cellulose or open cell foam.

Foil faced iso board can be cost effective insulation for finished attics and cathedral ceilings. I m in the early stages of building an amazing workshop to showcase tools over at tool box buzz and shop projects here at hci.