Guest User
11/9/2004
The unfinished ceiling in my 50-year-old attic is tongue-in-groove boards. when I finish the attic I would like to retain this look. I need a new roof and would prefer metal roofing, but the insulation needs to go between the boards and the metal roof. I'm thinking rigid foam insulation would be best. How would this be done? Would they be placed tightly together like a sandwich, or would ther need to be space between the roofing and the foam? Thanx for any advice you can offer.
Guest User
11/9/2004
The International Building Code calls for a minimum 1" vented airspace. You are going to need to find an experienced metal roofing contractor and then work closely with them and confer with the manufacturer of the roofing you choose in order to build a successful system from your current situation. You will need to work in intake and exhaust vents, as well as the insulation and decking or strapping. You may need to have a structural engineer evaluate weightloads. Good luck. Do not venture into this without the direct involvement of some knowledgable folks who can steer you in the right direction.
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