Insulating 2x4 Cathedral Ceiling

Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing.

Insulating 2x4 cathedral ceiling.

The right way to insulate attics and cathedral ceilings with batts using certain t. Sistering a 2x10 to the existing rafter. Seal all ceiling openings. I live in vermont so it s recommended to have around r50 insulation in the ceiling.

Cathedral ceilings were once popular due to their grandiose height and appearance but these days many people avoid it because it is difficult to get proper cathedral ceiling insulation installed. Insulated cathedral ceilings are a relatively recent phenomenon. New research in building science has confirmed that the tight blown unventilated cathedral ceiling method is best terry applegate president applegate insulation manufacturing inc. This is based upon 36 years of experience and approximately 16 000 homes insulated in the mid michigan area with a separate contracting entity.

Vaulted ceilings require venting as well as insulation. 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. Insulate a cathedral ceiling by ensuring there is no opportunity for drafts to get into the room. More moisture enters building cavities through these cuts in the ceiling or wall drywall than permeates through the drywall itself.

Tips for insulating a cathedral ceiling take care to seal ceiling penetrations such as around light fixtures or ceiling mounted hard wired smoke detector. Check the joists and wall plates for any holes or openings. From googling around people are pretty divided on furring with a 2x4 vs. If i retain the vaulted ceiling i ll need to furr out the 2x6 s to achieve the recommended r value.

In those days most builders stuffed cathedral ceiling rafter bays with fiberglass batts.