Insulation For 2x8 Cathedral Ceiling

If the shock of stepping out of a nice warm bed onto a chilled floor has you sleeping in thermal socks insulating your floor might help.

Insulation for 2x8 cathedral ceiling.

Seal all ceiling openings. I want to properly insulate my cathedral ceilings and was thinking to spray 2 inches of closed cell foam to sheathing then fill with dense packed cellulose. R30c and r38c are available in both kraft faced and unfaced. What size insulation for 2x8 floor joists.

The rafters in cathedral ceilings are usually made of 2x10 ft. This insulation is also designed specifically for rafters in cathedral ceilings and are usually made of 2x10 s or 2x12 s. Foam board insulation would be a more economical especially if you are supplying the labor see photo. Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing.

Check the joists and wall plates for any holes or openings. I am wondering if i can attach craft paper and pine paneling to the 2x8 rafters and then fill the bays with cellulose. X 48 in 8 pieces 63 33 sq. Spray foam is a very expensive option however.

Foil faced iso board can be cost effective insulation for finished attics and cathedral ceilings. Bernice from midland ontario wants to know how to get more insulation into her vaulted or cathedral ceiling the common problem with structures like this that we call compact roofs is that there is not usually enough space for a lot of insulation and a lot of ventilation. In most cases however insulation will not help prevent moisture. Insulate a cathedral ceiling by ensuring there is no opportunity for drafts to get into the room.

In fact when the only space you have is that left by a 2x8 or even a 2x10 you really can t do a perfect job of both. And owens corning ecotouch high density insulation products are designed specifically for these rafters.