Spray foam is a very expensive option however.
Insulating vaulted ceilings attic.
Check the joists and wall plates for any holes or openings.
Foil faced iso board can be cost effective insulation for finished attics and cathedral ceilings.
Insulating a vaulted ceiling is similar to insulating exterior walls with.
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.
Materials commonly used for the insulation of the roof deck include.
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.
Be sure to seal around any pvc pipes as well.
Fiberglass insulation comes in lightweight batts and rolls precut to widths that match standard stud and rafter spacing.
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.