Hip Roof Rafter Ties

Perhaps a set of timber trusses complete with a tie beam at each hip intersection might be required.

Hip roof rafter ties.

A rafter tie is a tension tie in the lower third of opposing gable rafters that is intended to resist the outward thrust of the rafter under a load. 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. The roof framing mock up below shows a standard rafter tie. If you build a square hip roof you can do it without ceiling joists.

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. The simpson strong tie lssj field adjustable jack hanger is the ideal hanger for connecting jack rafters to hip valley members. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. The thrust to worry about is at the tails of the common rafters.

Some of these can support the roof and prevent ridge sagging and wall spreading. Are these two ties necessary. Someone with more knowledge please correct me if i m wrong. In many situations you ll find that ceiling joists installed parallel to the rafters are intended to function as rafter ties.

I have 4 ties connecting the two walls rafters that run parallel to the house perpendicular to the ridge. The lssj field adjustable jack hanger is the ideal hanger for connecting jack rafters to hip or valley members. 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. 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.

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. Collar ties rafter ties tension beams structural ridge beams. Rafter to hip or rafter to valley connections. Featuring a versatile hinged seat the lssj is easily field adjustable to typical rafter slopes with a max slope of 12 12.

All the research i ve done never shows a tie for a hip roof. Its simple design makes installation intuitive and quick resulting in lower labor costs. The lssj is designed with a versatile hinged seat allowing for easy field adjustment to typical rafter slopes from 0 12 of 12 12.