Mono Pitch Skillion Roof Framing

Roofs with good drainage require a less tightly sealed building envelope.

Mono pitch skillion roof framing.

The rafter is the sloping member that is used to form the roof s pitch. And the roof framing consists of trusses or a strutted roof either roof plane or roof space bracing is required in accordance with para graphs 10 3 2 and 10 3 3 for light and heavy roofs see figure 2. This video shows the erection procedure for a skillion flat or monoslope monopitch roof. Here s my top plate as you can see.

Ranging from spectacular sweeps and curves to almost at a skillion roof is essentially a single sided roof that can become a design feature in its own right. Skillion shed style roof framing. The mono pitch is usually built upon rafters but is considerably less expensive than roofs with multiple slopes. A skillion or mono pitched roof has two main parts.

For this reason the rubber skins or roofing membranes that are necessary on flat or low pitched roofs may be done away with. Expensive to convert a mono pitched roof to a multi slope roof since all walls need to become the same height. Fast run off of rain or snow can cause ground erosion behind the shed. Snow can build up against the lower roof wall and cause dampness or rot in the wall.

While it s usually best suited to contemporary and modern designs because of its ability to bring volume inside and out you can also spot skillion roof shapes in indus trial inspired designs and in mid century modern homes taking inspiration from the classic californian bungalowssometimes known as a mono pitched monoplane pent. In this video i just want to quickly show you how you can mark out the position of your birdsmouth on a skillion or flat or what else they call a mono slope mono pitch roof. While the gabled roof is always pitched in two directions the mono pitch always slants in a single direction. 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.

How to scribe mono pitch roof rafters. Skillion roofs tend to be fairly steeply pitched which allows water to run off more effectively than on flatter roofs. Mono pitched roofs are also known by the names of skillion roofs shed roofs pent roof and lean to roof. In this case the highest end of the trusses is considered the ridge line and requires at least two braces over its length.

This is the low end we ve extended this end up however as i said in our previous video this is not the best practice. It is also used to transfer the loads to the structure s outer wall thereby offering durability and support. If you plan to have eaves to protect the shed walls make sure you add the extra length when measuring the rafters. It is typically used to provide support to the roof.