2 X 6 Cathedral Ceiling Insulation

The existing insulation is fibreglass batts probably about r12 with vapour barrier and air space.

2 x 6 cathedral ceiling insulation.

12 rolls model rf40 view the owens corning 2x6 wall floor insulation. Roof has brand new shingles so i want to insulate from below. X 48 in 8 pieces 63 33 sq. 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.

I would like to put a roof over on using rigid foam insulation of say 3 5 with a steel. Zone 5a house has a hip roof framed with 2x6. When i tore drywall off found vented eaves with no venting on roof. R30c and r38c are available in both kraft faced and unfaced.

The remaining part of the roof is 2 6 16 oc rafters 5 5 deep. First closed cell foam has a 60 percent higher r value per inch than open cell 6 3 vs. I am suffering significant heat loss in winter and heat build up in summer. Ft bag 8 bags pallet 64 pieces 506 64 sq.

Insulation was 6 fiber glass bats tgn with no air channel space. Just read how to build an insulated cathedral ceiling trying to apply to my gut rehab project. Energy efficient cathedral ceilings despite their popularity vaulted or cathedral ceilings are more dif. I have a cathedral ceiling on 2x6 joists a viceroy cottage.

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. Will insulate the new portion of the addition with rafter vents and r30c insulation. Owens corning r 19 ecotouch pink kraft faced fiberglass insulation continuous roll 15 in.

This insulation is also designed specifically for rafters in cathedral ceilings and are usually made of 2x10 s or 2x12 s. The r 21 high performance batt offers the high est r value in a 5 1 2 wall cavity. The higher r value reduces condensation when moist interior air hits the now less cold ceiling vice versa in summer with humid outside air. It provides an open airy look and feel to the room and they are often in demand among home buyers.

I am thinking non vented roof fill 2x6 void with. 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. Got a cathedral ceiling in a cape cod in virginia.