For pricing and availability.
Foam board ceiling insulation.
The air space will be continuous down to the soffit vents and.
For pricing and availability.
2 in x 4 ft x 8 ft 1 faced polystyrene garage door foam board insulation.
Foam board the last option that i considered and the one i m using is foil faced polyiso insulation board.
Ceiling foam board insulation.
Some types of thicker foam board insulation are available but they may need to be special ordered.
You don t want moist air leaking into the roof cavity.
Some of the most reviewed foam board insulation are the silverboard 24 in.
Rigid boards are manufactured from either.
Seal the insulation or the ceiling surface below against air leakage.
Do no use a vapor barrier under the insulation.
2 in x 4 ft x 8 ft.
I m using 2 foam board 2 foil faced polyiso r value is approximately r14 fastened to the bottom of the 2 6 truss chord which leaves a nice 2 1 2 air space.
R5 radiant acoustic insulation kit stc 19 5 piece with 172 reviews and the amvic multipurpose high density insulation kit r10 2 3 8 in.
5 panels with 97 reviews.
Use closed cell spray foam closed cell foam board extruded polystyrene such as dow styrofoam or foil faced iso board.