Insulating The Underside Of Your Roof

Insulating the underside of roofs making the case for the unvented attic assembly background.

Insulating the underside of your roof.

An unvented attic differs from a conventional vented attic in that there is no direct venting of the attic. In the winter your warm indoor air rises and will leave through the attic if it s not properly insulated. Advantages of unvented attic assemblies. If you re insulating the roof directly to insulate the roof itself you either use spray foam or retrofit with it with rigid foam board.

These circumstances cause your heater and air conditioner to work overtime and your utility bills will spike. You can then install. Use these questions to decide which. Don t use spray foam to fix a roof leak.

Then you could simply insulate the pitched roof. But the best solution is actually to insulate both the attic floor and the underside of the roof. When hvac equipment is in the attic insulation and. Yes you can spray foam the underside of your roof.

Is this a great room with a cathedral ceiling or an attic space with a floor. An advantage of spray foam is it s quick whereas foam board needs to be cut and measured which can be a chore. At the same time the areas below the roof benefit from increased comfort both during the winter and the summer. In addition to installing the foam board on the underside of the roof deck you can attach it to the bottom edges of the rafters in the same manner you would hang drywall.

If so fix that first.