Vented Cathedral Ceiling Insulation

Have a newly framed vented cathedral ceiling to insulate.

Vented cathedral ceiling insulation.

Solar age magazine articles on renewable energy energy savings construction practices best practices guide to cathedral. Utilizing cellulose insulation contractors blow the cathedral ceiling cavity completely full and do away with the need for outside ventilation. Then insulate below with fiberglass or cellulose add a vapor retarder and your finish ceiling. In particular using fiberglass insulation in an un vented cathedral ceiling is most likely to give way to discovery of advanced hidden damage and or mold over the life of the building and may give shorter roof shingle life as well as causing higher indoor temperatures than with a vented roof cavity design.

Should i install an air barrier in the cathedral ceiling above the insulation. Straight bays 2x12 24 o c. A cathedral ceiling is a sloping and pointed ceiling which is usually high and open. Cathedral ceiling ventilation design guide how should i vent a cathedral ceiling.

In fact as far back as 1975 ncima standard n 301 75 stated. It provides an open airy look and feel to the room and they are often in demand among home buyers. Cathedral ceilings are a feature in many homes that add to value to the house because the high ceiling tends to make rooms look larger. Does air movement wind washing through a vented cathedral ceiling cause heat loss through the insulation.

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