Tore the room down to studs to find foam board insulation just pressed against the underside of the roof with mold from lack of air flow.
Insulation 2x6 cathedral ceiling.
Insulating cathedral ceilings can be quite challenging.
The existing insulation is fibreglass batts probably about r12 with vapour barrier and air space.
The garage is 12x20 and has about a 27 degree pitch in the roof with 2x6s as rafters.
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.
It s a roughly 30x24 space with a 45deg.
I m looking for some suggestions in terms of insulating.
Seal all ceiling openings.
Check the joists and wall plates for any holes or openings.
I have a cathedral ceiling on 2x6 joists a viceroy cottage.
The new workshop will be located over my garage in an area that was framed using attic trusses when we built the new house.
I want to properly insulate my cathedral ceilings and was thinking to spray 2 inches of closed cell foam.
Insulate a cathedral ceiling by ensuring there is no opportunity for drafts to get into the room.
I am suffering significant heat loss in winter and heat build up in summer.
If i retain the vaulted ceiling i ll need to furr out the 2x6 s to achieve the recommended r value.
There is no insulation in the ceiling and i suspect little to no effective insulation in the 2x4 walls.
Attic trusses typically have a sloping ceiling.
Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing.
The simple 6 12 gable roof is composed of actual 2x6 rafters 24 oc sheathed with 1 2 plywood and covered with asphalt shingles.
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.