2 X 6 Cathedral Ceiling Insulation

Just read how to build an insulated cathedral ceiling trying to apply to my gut rehab project.

2 x 6 cathedral ceiling insulation.

Cathedral ceilings are a feature in many homes that add to value to the house because the high ceiling tends to make rooms look larger. Closed cell foam ceiling insulation in a vaulted ceiling offers substantial advantages over open cell. The existing insulation is fibreglass batts probably about r12 with vapour barrier and air space. Will insulate the new portion of the addition with rafter vents and r30c insulation.

This insulation is also designed specifically for rafters in cathedral ceilings and are usually made of 2x10 s or 2x12 s. R30c and r38c are available in both kraft faced and unfaced. The right way to insulate attics and cathedral ceilings with batts using certain t. Ft bag 8 bags pallet 64 pieces 506 64 sq.

I am suffering significant heat loss in winter and heat build up in summer. It provides an open airy look and feel to the room and they are often in demand among home buyers. I would like to put a roof over on using rigid foam insulation of say 3 5 with a steel. The higher r value reduces condensation when moist interior air hits the now less cold ceiling vice versa in summer with humid outside air.

This reduces its value to r 18. 2 x 6 construction when standard r 19 insulation is used to fill 5 1 2 cavities it must be compressed to fit. Got a cathedral ceiling in a cape cod in virginia. Roof has brand new shingles so i want to insulate from below.

I put on a dormer on one side of the roof with 2 10 s and i added soffits and a ridge vent to the entire roof system. The remaining part of the roof is 2 6 16 oc rafters 5 5 deep. The r 21 high performance batt offers the high est r value in a 5 1 2 wall cavity. Energy efficient cathedral ceilings despite their popularity vaulted or cathedral ceilings are more dif.

Zone 5a house has a hip roof framed with 2x6. First closed cell foam has a 60 percent higher r value per inch than open cell 6 3 vs. X 48 in 8 pieces 63 33 sq. Owens corning r 19 ecotouch pink kraft faced fiberglass insulation continuous roll 15 in.

I am thinking non vented roof fill 2x6 void with. When i tore drywall off found vented eaves with no venting on roof. I have a cathedral ceiling on 2x6 joists a viceroy cottage.