Hip Roof Purlin Detail

Enter a ridge thickness of zero or select no ridge purlin if no ridge board is used.

Hip roof purlin detail.

The corner detail tab displays a detail drawing in plan view of one corner of a hip roof showing any hip shift hip offset and wall height difference. Purlin lip cut angle 7 6. The rule of thumb is that hips purlins and ridge boards are at least 1 5 times the depth of the rafter. Hip connection purlin to rafter hip clip details with standard flange brace connection.

Purlin to rafter concealed nut connection flange brace fb6 or fb7 cf02041 02 pdf. Roof truss repair details. In this case the hip could have been deeper but the purlin should have been cut to the detail below and real carpentry skills are needed to do this. Hip roof a hip roof is a rectangular roof that slopes on all four sides.

This pattern helps in the cooling of the interior portion of house and ensures a reduction in energy bills with reduced power consumption. Pullout values de crease if the fasteners protrude completely through the purlins. Eaves hip roofs having deep eaves that can assist in shading a window from sunlight. Purlins support the loads from the roof deck or sheathing and are supported by the principal rafters and or the building walls steel beams etc.

Future a 2 x 8 purlin can be installed in the area for snow guard installation. Kiln dried softwood is recommended for purlins or decking pine fir hemlock and spruce. Contact mitek engineering support for any questions. Generally there are three major factors that contribute in the design or style of a hip roof.

Hardwoods are difficult to fasten into without splitting and contain tannic. When using purlins fabral recommends a maximum spacing of 24ʺ on center note that 5v requires solid decking. Hip the hip roof has four sloping sides. Intersecting the intersecting roof consists of a gable and valley.

Outside top plate edge to ridge top edge common 3108. It is the strongest type of roof because it is braced by four hip rafters. That way all of the loads can be transferred safely down the hip to the wall plate. A disadvantage of the hip roof is that it is more difficult to construct than a gable roof.

Hip backing angle 10 5. Hip connection purlin to rafter hip clip details with optional liner flange brace connection. Purlin roof structure civil engineering design in architecture or structural engineering or building a purlin or purline is a horizontal structural member in a roof. View the following detail guides.

Some of these standard details may be sealed upon request. Pullout values decrease if the fasteners protrude completely through the purlins. Strength for those areas where wind and cyclones are more common. Purlins fabral recommends a maximum spacing of 24 on center note that 5v requires solid decking.

These hip rafters run at a 45 angle from each corner of the building to the ridge.