Hip Roof Rafter Ties

This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams.

Hip roof rafter ties.

The lssj field adjustable jack hanger is the ideal hanger for connecting jack rafters to hip or valley members. In my attached garage the roof is hipped on the wall opposite the house wall. If you build a square hip roof you can do it without ceiling joists. I have 4 ties connecting the two walls rafters that run parallel to the house perpendicular to the ridge.

Depending on the size of the roof most hip roofs will have 4 6 short jack rafters that are spaced out every 20 inches 51 cm between the hip rafters and the king common rafters. Its simple design makes installation intuitive and quick resulting in lower labor costs. Some of these can support the roof and prevent ridge sagging and wall spreading. All the research i ve done never shows a tie for a hip roof.

Collar ties rafter ties tension beams structural ridge beams. Featuring a versatile hinged seat the lssj is easily field adjustable to typical rafter slopes with a max slope of 12 12. In many situations you ll find that ceiling joists installed parallel to the rafters are intended to function as rafter ties. The lssj is designed with a versatile hinged seat allowing for easy field adjustment to typical rafter slopes from 0 12 of 12 12.

Someone with more knowledge please correct me if i m wrong. The roof framing mock up below shows a standard rafter tie. A hipped roof can be designed without rafter ties or internal columns by using the wall plates as tension members and the roof deck for stability. Rafter to hip or rafter to valley connections.

There are two ties attached to the house wall that run to the hip wall. Perhaps a set of timber trusses complete with a tie beam at each hip intersection might be required. Are these two ties necessary. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures.

Measure the distance between the angled hip rafter and the top of the wall at 20 in 51 cm increments and cut jack rafters to fit. The thrust to worry about is at the tails of the common rafters. One way to avoid rafter ties is to use a post at each end of the ridge beam but that clutters up the internal space and may not be an acceptable solution.