Insulation For Cathedral Ceiling Rafters

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Insulation for cathedral ceiling rafters. While many people think they look nice providing insulation can sometimes be a challenge due to the extra space between the ceiling and the floor. This is a 60 yro house in new england with cathedral ceilings and 5 5 rafters. R 30c and r 38c are available in both kraft faced and unfaced.

Inside the rafters is 60yro batt insulation that probably shrinked to 3. Spray foam closed cell is way out of our budget. Do no use a vapor barrier under the insulation.

This insulation is also designed specifically for rafters in cathedral ceilings and are usually made of 2x10 s or 2x12 s. Ft bag 8 bags pallet 64 pieces 506 64 sq. Owens corning ecotouch insulation delivers comfort helps homes stay cooler in the summer and warmer in the winter.

We are going to redo the roof this summer and we re thinking of pulling the plywood out and install closed cell spray foam insulation between the rafters from top. Insulate a cathedral ceiling by ensuring there is no opportunity for drafts to get into the room. Use closed cell spray foam closed cell foam board extruded polystyrene such as dow styrofoam or foil faced iso board.

Husband wants to do rigid foam boards double and triple layer have a friend who takes used foam boards out of steel commercial buildings we can pick and choose our boards. Reduce under roof insulation level to 3 fiberglass r 11 under the cathedral ceiling not good energy savings not recommended but functional just poor insulation value. Of course not enough insulation.

And owens corning ecotouch high density insulation products are designed specifically for these rafters. Place the insulation between the rafters or below them. Insulated cathedral ceilings are a relatively recent phenomenon.