Use these questions to decide which.
Insulating the underside of your roof.
You can then install.
Is this a great room with a cathedral ceiling or an attic space with a floor.
If so fix that first.
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.
But the best solution is actually to insulate both the attic floor and the underside of the roof.
Then you could simply insulate the pitched roof.
These circumstances cause your heater and air conditioner to work overtime and your utility bills will spike.
Yes you can spray foam the underside of your roof.
At the same time the areas below the roof benefit from increased comfort both during the winter and the summer.
Insulating the underside of roofs making the case for the unvented attic assembly background.
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.
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.
When hvac equipment is in the attic insulation and.
Don t use spray foam to fix a roof leak.
Do you already have a roof leak.