Insulation For 2x8 Cathedral Ceiling

R30c and r38c are available in both kraft faced and unfaced.

Insulation for 2x8 cathedral ceiling.

X 48 in 8 pieces 63 33 sq. Spray foam is a very expensive option however. Foam board insulation would be a more economical especially if you are supplying the labor see photo. 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. Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing. 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. Foil faced iso board can be cost effective insulation for finished attics and cathedral ceilings.

And owens corning ecotouch high density insulation products are designed specifically for these rafters. R 30c and r 38c are available in both kraft faced and unfaced. Check the joists and wall plates for any holes or openings. 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.

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. This insulation is also designed specifically for rafters in cathedral ceilings and are usually made of 2x10 s or 2x12 s. Insulate a cathedral ceiling by ensuring there is no opportunity for drafts to get into the room. Seal all ceiling openings.

The rafters in cathedral ceilings are usually made of 2x10 ft. Ft bag 8 bags pallet 64 pieces 506 64 sq.