Rigid Insulation Timber Frame Roof

On top of the ice and water shield we start framing out a cavitiy to hold insulation.

Rigid insulation timber frame roof.

Xtratherm thin r is a quality rigid pir insulation board suitable for application in the walls floors and roof spaces of timber frame houses. Dense pack cellulose dense pack cellulose insulation is the most eco friendly insulation and is made up primarily of recycled paper fiber usually post consumer waste. Finally insulation is added to the wall cavities. You only insulate over the interior of the cabin all the overhangs are left free of insulation.

If you have an existing log or timber framed home adding insulation and ventilation can be a major challenge and expense due to demolition costs. Most building professionals recommend that you vent your roof when using rigid foam insulation as do almost all sip manufacturers. In typical lumber frame construction roof insulation is placed between rafters and then covered up with drywall. Fiberglass insulation is most commonly used in conventional stick frame construction where there are standard studs.

Euroclass a1 fire rated. This insulation surpasses the values required by current building regulations and is notoriously used in zero carbon fabric and passive house standard timber frame homes. Build a box around the timber frame air water seal it and then add exterior insulation to completely cover the box. Don t worry we will tie the roof down better in a later step.

Decking covered with roof guard polyiso rigid insulation strapping to hold it down 8 inch screws followed by 5 8 sheathing cold roof design and. The basic steps for my project were. The plan to finish my timber frame roof. However it can be done from the roof side at the time you replace your asphalt or cedar roof with a new aluminum metal roof.

I used 2x6s for the framing toenailing the 2x6s into the roof system. Eaves and rakes overhangs are then floated on top of the foam resulting in zero thermal bridging.