Insulating Vaulted Ceilings Attic

Foam insulation is an excellent although expensive solution.

Insulating vaulted ceilings attic. Insulating the roof is a priority if the ceilings of your home happen to be part of the roof deck as is the case with cathedral ceilings. Inexplicably some well built vaulted ceilings complete with vents and fiberglass insulation have moisture problems. Honestly if you ve done your prep work properly you can use cellulose spray foam fiberglass recycled denim or horse hair and your home will be relatively well insulated and energy efficient. Seal all ceiling openings.

During hot summer months heat can build up beneath the roof deck reducing shingle life and. But it s not a diy project. Kevin is working up the design for a new lakeside cabin in tennessee with plans currently calling for a scissor truss roof and a vaulted ceiling over the kitchen and living area. Install baffles on vents.

Rigid foam insulation boards. The roof starts with scissor trusses set on 8 foot centers. You may also insulate your roof to help regulate the temperature in an attic that is a part of your living space. How to install fiberglass insulation in vaulted ceilings r value.

The drywall becomes stained the insulation becomes damp and the roof wood can even begin to rot. Foil faced iso board can be cost effective insulation for finished attics and cathedral ceilings. Also called vent chutes the baffles will make sure there is enough air flowing for. Materials commonly used for the insulation of the roof deck include.

In general closed cell foam is the best choice for unvented cathedral ceilings. Nail 1 furring along every rafter side against the roof deck. The higher the r value the. Cut and insert 1 or thicker high r foam insulation sheets r 8 per inch against the furring giving a 1 or greater air path between the insulation and the roof deck under the cathedral ceiling.

Air sealing and insulating. Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or. It is also one of the most expensive and most building inspectors will not allow it to be left uncovered for fire code reasons. 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.

How should you insulate. Continue installing baffles until baffles are. After you ve reduced humidity problems in your home then air sealed the ceiling between the living space and the attic cathedral ceiling then you can insulate.