Insulating the underside of roofs making the case for the unvented attic assembly background.
Insulating the underside of your roof.
If so fix that first.
Do you already have a roof leak.
Don t use spray foam to fix a roof leak.
Yes you can spray foam the underside of your roof.
An advantage of spray foam is it s quick whereas foam board needs to be cut and measured which can be a chore.
Advantages of unvented attic assemblies.
In the winter your warm indoor air rises and will leave through the attic if it s not properly insulated.
You can then install.
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 you re insulating the roof directly to insulate the roof itself you either use spray foam or retrofit with it with rigid foam board.
When hvac equipment is in the attic insulation and.
At the same time the areas below the roof benefit from increased comfort both during the winter and the summer.
In this way you prevent the heat from the rooms below escaping to the attic rooms above.
In some cases you won t be able to insulate the underside of the roof itself but rather the attic floor.
Then you could simply insulate the pitched roof.
Use these questions to decide which.
These circumstances cause your heater and air conditioner to work overtime and your utility bills will spike.