In the attic it’s ok, the walls should be inspected and signed off unless done by a proper contractor.
There should be a vapour barrier between the drywall and the studs. Most houses also have a wrapper on the outside over the insulation. Tyvek is most common.
In the attic it’s ok, the walls should be inspected and signed off unless done by a proper contractor.
There should be a vapour barrier between the drywall and the studs. Most houses also have a wrapper on the outside over the insulation. Tyvek is most common.