Vaulted Ceiling Insulation Air Gap

In those days most builders stuffed cathedral ceiling rafter bays with fiberglass batts.

Vaulted ceiling insulation air gap.

This type of roof assembly is designed so the air can flow up the soffit vent through an insulation baffle pass through the 1 5 gap between the insulation and roof sheathing then exit through a ridge vent. A cathedral ceiling is a sloping and pointed ceiling which is usually high and open. Vented cathedral ceilings can be difficult to insulate well. Cathedral ceilings built using 2 x 12 roof rafters allow enough space for the fiberglass batt insulation and a 1 5 gap for ventilation.

Ventilation channels maintain an air gap between the insulation and the roof sheathing. It provides an open airy look and feel to the room and they are often in demand among home buyers. Air sealing and insulating. These are brand new condominiums and we ve insulated according to the builders specification with fiberglass in the walls and we re going to be blowing the flat of the attic space with cellulose along with the rafter spaces in the cathedral ceiling.

The craze for insulated cathedral ceilings and great rooms really took off in the 1970s and 1980s when examples began popping up like mushrooms after a warm rain. 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. The component that creates the gap is called a variety of things including a ventilation baffle a ventilation chute a ventilation channel or a product such as proper vent.