Cutting Hip Roof Rafters
How to cut hip rafters with speed square.
Cutting hip roof rafters. Mark the plumb cuts. The roof rafters provide integral structural support to the roof. When you cut the rafters you ll need to make 3 separate cuts. Rick arnold frequent contributor to fine homebuilding and the journal of light construction presenter at jlc live the katz roadshow the remodeling show.
This is the line to cut. Mark the end plumb cut angle line 79 3 19 back from square on both sides of the hip. With the tape measure hooked onto the top end transfer your two rafter lengths onto. Measure back 25 from this line and mark a second parallel line on both sides of the hip.
Marking out the roof rafter lengths onto the timber before cutting step 1. After they re up you can snap a line to mark and trim the tails in a nice straight line to make up for any ridge warp or marking cutting and fixing errors. The ridge cut also called the plumb cut at the top of the rafter the birdsmouth cut which itself comprises 2 different cuts where the rafter meets the building s wall and the tail cut at the base of the rafter. Determine the camber along the timbers length.
This is covered in cutting common rafters mar 17. Before we explain hip rafters you need to understand how to lay out and cut common roof rafters. Http amzn to 2sfscbz swanson speed square http amzn to 2svgnvt 16 x 24 framing square starrett http amzn to 2sflm5v milwaukee circular saw http amzn. Set circular saw blade tilt angle to 45 cut 1 side.
Before you can mark the rafter lengths and layout check the. Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. The hip rafter plumb cut is a different angle to a common rafter plumb cut. There are many variations on hip roofs and their construction but for the purpose.
If you are using a stanley quick square move the blade to the corresponding notch for the hip rafter. The key structural member is the hip rafter which spans from the building corner to the peak or the ridge.