How To Insulate Timber Frame Roof

In typical lumber frame construction roof insulation is placed between rafters and then covered up with drywall.

How to insulate timber frame roof.

Buildings in the u s. No crane is necessary for installation. I used 2x6s for the framing toenailing the 2x6s into the roof system. When insulating between timbers you have to be able to cut insulation easily and quickly so that it fits tightly against the timber frame and also against the inner surface of the frame be it osb or a membrane.

On top of the ice and water shield we start framing out a cavitiy to hold insulation. Normally the insulation is either built up above 2x ceiling roof decking that is installed on top of the trusses or sips structural insulated panels are installed on top of the timbers the range of insulation is dependent on the thickness of the sips or of the built up insulation. Don t worry we will tie the roof down better in a later step. Spray applied foam insulation installed from the inside or outside in a light framing system similar to conventional construction.

The inside out method offers several advantages. With spray foam insulation are at least 50 more effective at preventing energy loss through air infiltration. It costs less then stressed skin panels. When the rafters are exposed such as in timber frame houses this technique is not.

Please note that the insulation advice provided in this video is applicable to both kingspan. You only insulate over the interior of the cabin all the overhangs are left free of insulation. Wools glass fibre mineral natural fibres are the best way to insulate between studs simply because they are compressible. Whether the choice is closed or open spray foam insulation is a proven method to reduce energy expenses.

There are several ways to insulate the frame.