Spray foam is another option for your cathedral ceiling more specifically open cell spray foam.
Vaulted ceiling insulation options.
Fiberglass insulation comes in lightweight batts and rolls precut to widths that match standard stud and rafter spacing.
Spray foam using spray foam would be an excellent option.
Seal all ceiling openings.
Compare wood and vinyl options and choose the one that best suits your budget and diy aspirations.
Beadboard panels are an efficient economical way to get that popular tongue and groove porchy look to cover up an unattractive ceiling.
Vaulted ceiling insulation options.
One of our favorite ideas for this material is covering popcorn ceiling with beadboard.
This will protect the room from air infiltration and will also suppress fires.
However don t make the mistake of using a lot of foam spray insulation as this stuff is expensive.
Open cell spray foam is a better fit for cathedral ceilings when compared to closed cell because of its expanding capabilities.
In that situation the foam would be sprayed directly to the backside of the roof sheathing resulting in an un vented roof.
Spray foam is a very expensive option however.
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.
Check the joists and wall plates for any holes or openings.
Here are some older home cathedral ceiling roof insulation and ventilation options that you may consider.
Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing.
You also need to make sure that you are leaving at least 2 inches of breathing space between the insulation and the roof sheathing.
Open cell spray foam cathedral ceiling insulation.
Be sure to seal around any pvc pipes as well.
During the installation the foam is sprayed on the underside of the roof.
Instead most builders prefer a foam spray insulation either cellulose or urethane which can be placed into the ceiling using a spray can and left to dry.
Chris beucler posted in energy efficiency and durability on august 28 2020 12 03pm hi guys first time making an inquiry here at gba.
Feasible insulating options include.
Installing a vaulted ceiling requires careful consideration of the building codes in your area.
Foam board insulation would be a more economical especially if you are supplying the labor see photo.
Obviously on a project like this there are quite a few options with varying costs and benefits.
Foil faced iso board can be cost effective insulation for finished attics and cathedral ceilings.
This density prevents air from carrying damp into the insulation.