Skillion Roof Framing Details

Skillion shed style roof framing.

Skillion roof framing details.

A skillion roof is made up of a single flat plane which slopes gradually from top to bottom. Roofs with good drainage require a less tightly sealed building envelope. Skillion roof construction detail basics information alternative names cost 6 essential skillion roof advantages and disadvantages. Mono pitched roofs are also known by the names of skillion roofs shed roofs pent roof and lean to roof.

Skillion roofs are generally built upon rafters but cost considerably less than roofs that feature multiple slopes. For this reason the rubber skins or roofing membranes that are necessary on flat or low pitched roofs may be done away with. Skillion roof framing calculator plan diagram with full dimensions. The skillion and shed style roofs are framed with a single slope 2 4 or 2 6 or thicker rafters spanning from the low wall to the high wall.

Common skillion roof materials used. 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 roof rafter detail diagram with all dimensions and birds mouths scale. This video shows the erection procedure for a skillion flat or monoslope monopitch roof.

Skillion or exposed rafter roofs were framed up on site. Mark out angle birds mouth. Skillion roofs tend to be fairly steeply pitched which allows water to run off more effectively than on flatter roofs. Roof framing the roof could be constructed on or off site.

A fair estimate for a skillion roof is anywhere from 6000 to 12 000 depending on various factors like the pitch and the materials used to build the roof. Skillion roofs are one of the simplest roof styles used in shed building. Basic details of a skillion roof. They differ considerably from the conventional gabled roofs in shape and construction.

If this is your first time to hear of a skillion roof here s what you should know. The disparity between the standard roof and skillion roof is the distinguishable perpendicular pitch. Saltbox roofs look like skillion roofs but with an extra short slope opposite the long angled plane like an upside down check mark. If you plan to have eaves to protect the shed walls make sure you add the extra length when measuring the rafters.

While the gabled roof is always pitched in two directions the mono pitch always slants in a single direction. The attributes are significant than the standard smooth tents.