How To Frame A Pyramid Hip Roof

Tommy silva gives the apprentices a lesson in hip roof framing.

How to frame a pyramid hip roof.

To build high quality structures it is necessary to accurately determine the parameters of the rafters draw the layout of a pyramid hip roof to calculate the amount of building material. Nail one rafter on each side of the hip roof to brace the ridge board in place. For a pyramid roof the slopes are downwards to the wall and depending on size. How to frame a pyramid hip roof.

Cut the four hip rafters at a 45 degree angle for a 12 12 pitch roof. King common rafters keep the ridge board steady in place. It has three or more rectangular faces. Remember the pitch will ultimately determine the final length of the hip rafters you will use.

First when building a pyramid roof roof struts are installed on the support strips from each corner point. At the roof ridge a ridge cleat is attached which connects the roof struts and holds them together. Subscribe to this old house. You will need to have a circular saw a measuring tape a 2 by 6 lumber nails and a hammer.

The roof struts are bolted to the frame. You can use the pythagorean tables complex mathematical formulas and equations or to resort to the experience of a specialist. Hip rafters are the diagonal rafters that span from the ridge at the top down to the corners of the roof. Decide on the pitch of the pyramid roof you want to construct.

Rick arnold frequent contributor to fine homebuilding and the journal of light construction presenter at jlc live the katz roadshow the remodeling show. There are 6 of these rafters on every hip roof. King common rafters are the common rafters closest to the hip rafters. How to build a pyramid roof.

Then nail the king rafters in place against the ridge board. Section the four rafters in accordance with the pitch you chose. Cut bird s mouths at the bottoms of the hip. Http bit ly subscribethisoldhouse he explains the difference b.

The pitch is the number of vertical inches that a roof descends over the span of 12. Pick the pitch of the roof you are building.