Insulation 2x6 Cathedral Ceiling

The garage is 12x20 and has about a 27 degree pitch in the roof with 2x6s as rafters.

Insulation 2x6 cathedral ceiling.

I m in the early stages of building an amazing workshop to showcase tools over at tool box buzz and shop projects here at hci. The new workshop will be located over my garage in an area that was framed using attic trusses when we built the new house. So some people go to crazy lengths trying to reach r 40 or r 50 in their cathedral ceiling while their. Attic trusses typically have a sloping ceiling.

A how to on installing certainteed s fiberglass insulation batts into attic and cathedral ceiling applications. The right way to insulate attics and cathedral ceilings with batts using certain t. When renovating an older home whose roof rafters are only 2x6 really 5 1 2 x 1 5 in dimension the available space for insulation and ventilation is limited therefore limiting the options for a combination of good under roof ventilation and high insulation r values in the cathedral ceiling. I live in vermont so it s recommended to have around r50 insulation in the ceiling.

I want to properly insulate my cathedral ceilings and was thinking to spray 2 inches of closed cell foam. Insulating cathedral ceilings can be quite challenging. The simple 6 12 gable roof is composed of actual 2x6 rafters 24 oc sheathed with 1 2 plywood and covered with asphalt shingles. Seal all ceiling openings.

The economics of insulating cathedral ceilings is more like walls expensive to insulate than attics cheap to insulate. It s a roughly 30x24 space with a 45deg. If i retain the vaulted ceiling i ll need to furr out the 2x6 s to achieve the recommended r value. Insulation radiant and vapor barriers best insulation technique for 2x6 cathedral ceiling i ve just finished tearing out a very poorly done finished attic.

There is no insulation in the ceiling and i suspect little to no effective insulation in the 2x4 walls. Insulate a cathedral ceiling by ensuring there is no opportunity for drafts to get into the room. I m looking for some suggestions in terms of insulating.