Vaulted Ceiling Insulation Retrofit

Cathedral vaulted or any ceiling that has insulation blocking the airflow from the soffit vents to the attic needs an attic baffle in each rafter bay.

Vaulted ceiling insulation retrofit.

Retrofit or add on cathedral ceiling insulation questions answers set 2. The roof consists of 4x8 rafters spaced every 32 inches and topped with pine boards that originally served as both sheathing and the finished ceiling. Without an attic baffle there will not be any air space for fresh air to enter the attic from the soffit vents. A cathedral ceiling is a sloping and pointed ceiling which is usually high and open.

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. A cathedral ceiling insulation retrofit is usually easier in comparison to underfloor or wall retrofits. The fiberglass insulation you need to purchase must be thinner than most you will place in your walls. Here we provide suggestions for insulating cathedral ceilings on older homes providing under roof ventilation for cathedral ceilings while obtaining higher insulation values or r values for these areas.

If you would like instructions on how to install insulation in the ceiling or just want more information on the cathedral ceiling insulation installation process check out this cathedral ceiling insulation installation guide or feel free. Retrofit or add on cathedral ceiling insulation. We need advice on adding more insulation to the cathedral ceilings of our new hampshire house shown below. In a vaulted ceiling however the only fresh air route lies between the insulation and the underside of the roof deck.

Over the sheathing is 1 in. Of rigid foam insulation and then the roofing shingles. Measure the space between the rafters and mark it on your insulation. It provides an open airy look and feel to the room and they are often in demand among home buyers.

This is because the cathedral ceiling does not have as much room as the angle it is designed and in order for the insulation to fit properly it cannot have as much width.