How To Insulate A Vaulted Ceiling

You ll want a tight ceiling air barrier with no air leakage into the cathedral ceiling a critical detail for all cathedral ceiling designs.

How to insulate a vaulted ceiling.

If you decide to use a batting insulation on your ceiling then avoid another mistake and ensure that you caulk around the area thoroughly. R value insulation receives a rating. Insulate a cathedral ceiling by ensuring there is no opportunity for drafts to get into the room. Insulating a vaulted ceiling is similar to insulating exterior walls with one notable difference.

Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing. If you want to insulate your cathedral ceiling properly then you need to develop another method of keeping in heat while avoiding becoming a target for mold and damp. Calculate the r value of your vaulted ceiling based on the existing insulation. According to the seattle department of planning and development batts offer an r value of 2 to 3 per inch while.

This ceiling type involves the installation of a ceiling that is not attached directly to the roof rafters. Vaulted ceilings require venting as well as insulation. Bernice from midland ontario wants to know how to get more insulation into her vaulted or cathedral ceiling the common problem with structures like this that we call compact roofs is that there is not usually enough space for a lot of insulation and a lot of ventilation. This type of ceiling is insulated in the same manner that you would insulate a standard attic space.

Then insulate below with fiberglass or cellulose add a vapor retarder and your finish ceiling. You ll need an hvac contractor to determine whether your heating system can handle the increased volume of a room with a vaulted ceiling. Anything in the area to be vaulted will have to be relocated. Check the joists and wall plates for any holes or openings.

That is create a vent channel above the insulation with low and high vents.