Insulating 2x4 Cathedral Ceiling

Sistering a 2x10 to the existing rafter.

Insulating 2x4 cathedral ceiling.

Vaulted ceilings require venting as well as insulation. From googling around people are pretty divided on furring with a 2x4 vs. Tips for insulating a cathedral ceiling take care to seal ceiling penetrations such as around light fixtures or ceiling mounted hard wired smoke detector. Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing.

I live in vermont so it s recommended to have around r50 insulation in the ceiling. Insulated cathedral ceilings are a relatively recent phenomenon. The craze for insulated cathedral ceilings and great rooms really took off in the 1970s and 1980s when examples began popping up like mushrooms after a warm rain. More moisture enters building cavities through these cuts in the ceiling or wall drywall than permeates through the drywall itself.

This is based upon 36 years of experience and approximately 16 000 homes insulated in the mid michigan area with a separate contracting entity. Seal all ceiling openings. In those days most builders stuffed cathedral ceiling rafter bays with fiberglass batts. If you are looking for the best way to install your cathedral ceiling then there are some mistakes you ll have to avoid in order to prevent heat or.

The right way to insulate attics and cathedral ceilings with batts using certain t. New research in building science has confirmed that the tight blown unventilated cathedral ceiling method is best terry applegate president applegate insulation manufacturing inc. Check the joists and wall plates for any holes or openings. If i retain the vaulted ceiling i ll need to furr out the 2x6 s to achieve the recommended r value.

R value insulation receives a rating.