Insulating a vaulted ceiling is similar to insulating exterior walls with.
Insulating vaulted ceilings attic.
Foam board insulation would be a more economical especially if you are supplying the labor see photo.
Seal all ceiling openings.
Insulating the roof is a priority if the ceilings of your home happen to be part of the roof deck as is the case with cathedral ceilings.
Fiberglass insulation comes in lightweight batts and rolls precut to widths that match standard stud and rafter spacing.
Foil faced iso board can be cost effective insulation for finished attics and cathedral ceilings.
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.
If you re installing insulation directly under the roof like in a cathedral ceiling or attic ceiling make sure to leave about a 2 gap between the insulation and the roof sheathing.
Before insulating vaulted attic walls you must provide an unobstructed route from the soffit vents to an exit vent to prevent damage to the roof from moist hot air.
Materials commonly used for the insulation of the roof deck include.