How To Insulate A Vaulted Ceiling

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.

How to insulate a vaulted ceiling.

This ceiling type involves the installation of a ceiling that is not attached directly to the roof rafters. If you decide to use a batting insulation on your ceiling then avoid another mistake and ensure that you caulk around the area thoroughly. In fact when the only space you have is that left by a 2x8 or even a 2x10 you really can t do a perfect job of both. Calculate the r value of your vaulted ceiling based on the existing insulation.

Insulating a vaulted ceiling is similar to insulating exterior walls with one notable difference. R value insulation receives a rating. Also before you start the work consult a structural engineer to make sure the collar ties are in the right place to prevent the walls from. Anything in the area to be vaulted will have to be relocated.

According to the seattle department of planning and development batts offer an r value of 2 to 3 per inch while. Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing. This type of ceiling is insulated in the same manner that you would insulate a standard attic space. You ll need an hvac contractor to determine whether your heating system can handle the increased volume of a room with a vaulted ceiling.

Then insulate below with fiberglass or cellulose add a vapor retarder and your finish ceiling. Insulate a cathedral ceiling by ensuring there is no opportunity for drafts to get into the room. Vaulted ceilings require venting as well as insulation. You ll want a tight ceiling air barrier with no air leakage into the cathedral ceiling a critical detail for all cathedral ceiling designs.

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.