Underneath it is the attic space followed by a suspended ceiling.
No sheathing under roof.
July 28 2017.
Currently there is no sheathing or tar paper under the metal.
If you re wondering how to prevent condensation under a metal roof you re not alone.
Never attach roof sheathing with staples.
Plywood has an r value of 1 25 and fiberglass batts have an r value of 3 14.
When open cell spray foam is used a low perm class ii vapor retarder is installed where required.
3 benefits of rigid foam sheathing.
Owners of agricultural buildings man caves and horse barns all are worried about the corrosive effects of condensation.
A leak free roof membrane that is fully adhered to the roof sheathing should be installed.
8d ring shank nails should be used instead.
Here s how to fight back against the enemy within.
Sheathing should be a minimum of 19 32 inch thick.
Sheathing is installed perpendicular to roof trusses.
The current state and local building codes for the minimum r value of air impermeable insulation required for the roof assemblies in the home s climate.
More effective insulation with r values ranging from 3 6 to 8 0 rigid foam sheathing has much better insulation per inch than other materials i e.
How to prevent condensation under a metal roof.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.