You describe your proposed air barrier as "taped felt." I don't Feel asphalt felt is often efficiently taped, and I do not think that asphalt felt would make a very good air barrier.I'd considerably value suggestions from gurus: bite the bullet and danger of spray foam insulation, or send out the builders back up over the roof in December to chop r

I might significantly enjoy suggestions from specialists: Chunk the bullet and threat of spray foam insulation, or deliver the builders again up to the roof in December to cut ridge and soffit vents?But if the installer is conscientious, and the rafter bays truly are dense-packed, my guess is that every little thing are going to be fantastic.Green