Insulation board can be used for both pitched and flat roofs. Once cut to size, they are placed either above or under the roof rafters or between ceiling joists, creating a barrier in any space where ...
Step 7: Install the vapor barrier over the rafters. Leaving the scrap vapor barrier pieces in place for Rockwool insulation, install the vapor barrier on top of the shed roof insulation.
Instead of insulating the attic floor, installers put insulation up against the roof rafters, with a vented space of an inch or two between the top of the insulation and the underside of the roof.
Before temperatures return to seasonal levels in the coming days, the Ohio Department of Commerce Division of Industrial Compliance (DIC) encourages homeowners to take steps to protect their property.