Timber Frame Skillion Roof Detail

Cut to length and assembled on site.

Timber frame skillion roof detail.

Skillion or exposed rafter roofs were framed up on site. Off site roof framing consisted of prefabricated timber trusses while on site roof framing consisted of a framework of rafters ridgeboard or a ridge beam underpurlins and underpurlin struts and collar ties and cleats. Skillion lean to roof profile diagram quest. Skillion roof rafter detail diagram with all dimensions and birds mouths scale.

Roof framing the roof could be constructed on or off site. Skillion roofs tend to be fairly steeply pitched which allows water to run off more effectively than on flatter roofs. Design and print skillion lean to roof framing plans online metric. We are not automated so we have the flexibility to create structures to our clients exacting details.

Vermont timber works custom designs and fabricates beautiful timber frame homes post and beam barns heavy timber churches cathedral ceilings and more. Roofs with good drainage require a less tightly sealed building envelope. Flat or skillion roofs tend to be stick built i e. Custom timber frame shop.

When the skillion roof design is complex or large roof spans are called for a portal frame system consisting of pre assembled roof trusses is preferred. For this reason the rubber skins or roofing membranes that are necessary on flat or low pitched roofs may be done away with. Timber is by far the most common material for house framing in australia. This is normally a single sloping roof surface not attached to another roof surface.

In skillion roofs the roof cladding and ceiling run parallel typically within 300 mm of each other. Select and re calculate to display. The roof space is generally inaccessible with little natural ventilation and the small roof space can accelerate problems with moisture. While the cost involved is higher than stick build portal frame roof construction can deal with the larger spans and design complexity.

This video shows the erection procedure for a skillion flat or monoslope monopitch roof. The term skillion can also be used for a smaller addition to an existing roof where keeping to the same slope roof pitch puts the skillion roof lower. The roof framing is the structure that supports your roof.