Vaulted Ceiling Insulation Options

Spray foam using spray foam would be an excellent option.

Vaulted ceiling insulation options.

Reduce under roof insulation level to 3 fiberglass r 11 under the cathedral ceiling not good energy savings not recommended but functional just poor insulation value. This density prevents air from carrying damp into the insulation. Check the joists and wall plates for any holes or openings. Foam board insulation would be a more economical especially if you are supplying the labor see photo.

One of our favorite ideas for this material is covering popcorn ceiling with beadboard. I have a 1974 garrison colonial with an original two story family room two car garage ell which. This will protect the room from air infiltration and will also suppress fires. During the installation the foam is sprayed on the underside of the roof.

I m looking for some suggestions as how to best proceed with my project. Insulating a vaulted ceiling is similar to insulating exterior walls with. Foil faced iso board can be cost effective insulation for finished attics and cathedral ceilings. In that situation the foam would be sprayed directly to the backside of the roof sheathing resulting in an un vented roof.

Chris beucler posted in energy efficiency and durability on august 28 2020 12 03pm hi guys first time making an inquiry here at gba. Open cell spray foam cathedral ceiling insulation. Feasible insulating options include. Compare wood and vinyl options and choose the one that best suits your budget and diy aspirations.

Fiberglass insulation comes in lightweight batts and rolls precut to widths that match standard stud and rafter spacing. Be sure to seal around any pvc pipes as well. Obviously on a project like this there are quite a few options with varying costs and benefits. Spray foam is another option for your cathedral ceiling more specifically open cell spray foam.

Spray foam is a very expensive option however. Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing. Here are some older home cathedral ceiling roof insulation and ventilation options that you may consider. Open cell spray foam is a better fit for cathedral ceilings when compared to closed cell because of its expanding capabilities.

However don t make the mistake of using a lot of foam spray insulation as this stuff is expensive. Beadboard panels are an efficient economical way to get that popular tongue and groove porchy look to cover up an unattractive ceiling. You also need to make sure that you are leaving at least 2 inches of breathing space between the insulation and the roof sheathing. Installing a vaulted ceiling requires careful consideration of the building codes in your area.