Insulating the underside of roofs making the case for the unvented attic assembly background.
Insulating underside of roof.
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.
In some cases you won t be able to insulate the underside of the roof itself but rather the attic floor.
An unvented attic differs from a conventional vented attic in that there is no direct venting of the attic.
It can trap moisture around the timber stops tiles or slates being reused in the future and prevents inspection of the underside of the roof.
Don t use the wrong materials.
This is also a great way to ensure that your attic is insulated from the punishing summer and winter weather.
Don t use spray foam insulation on the underside of roofs.
Warmcel cellulose insulation made from recycled newspaper fibres is ideal for large large loft spaces.
Advantages of unvented attic assemblies.
It will help you to eliminate problems that may come when the house becomes extremely cold in the winter and terribly hot in the summer.
Insulating a sloping roof it s worth insulating the sloping insides of a pitched roof in order to conserve heat if the space is to be used for anything except simple storage.