Timber Skillion Roof Construction

A butterfly roof has two skillions which angle down towards the centre.

Timber skillion roof construction.

The roof framing is the structure that supports your roof. The disparity between the standard roof and skillion roof is the distinguishable perpendicular pitch. Skillion roof rafter detail diagram with all dimensions and birds mouths scale. The roof space is generally inaccessible with little natural ventilation and the small roof space can accelerate problems with moisture.

A skillion roof is made up of a single flat plane which slopes gradually from top to bottom. Skillion designs incorporate gutter to all sides. This design is a particularly effective way to trap water which is a big advantage for houses where collecting rainwater is a priority. In skillion roofs the roof cladding and ceiling run parallel typically within 300 mm of each other.

The design allows for attachment to metal or timber fascia only. Skillion lean to roof profile diagram quest. Select and re calculate to display. The skillion roof is a distinctive roof consisting only one isolated unvarying surface.

Timber vs metal frames. 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 than the ceiling height of the main structure. Variations on the skillion roof include circular or oval shaped designs and the butterfly roof. The attributes are significant than the standard smooth tents.

Before you commence construction. In this case even though the main roof has a flat ceiling the skillion part will have a sloping ceiling line to maximise the ceiling height. The roof structure is designed for no foot traffic. Select output fraction precision decimal inch or metric mm.

Post height must not exceed 2700mm from ground level. Saltbox roofs look like skillion roofs but with an extra short slope opposite the long angled plane like an upside down check mark. The skillion roof is mostly about pragmatic domicile with bright lines and a contemporary. This video shows the erection procedure for a skillion flat or monoslope monopitch roof.

The design is for attachment to timber framed structures only.