Hip Roof Rafter Layout

Hip roofs are constructed with four rafters that usually meet on a ridge board that is situated at the middle portion of the roof.

Hip roof rafter layout.

Roof battens lath hip end side roof battens lath main roof side wall plate or inferior purlin cut corner connection roof. Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries. Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results. Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same.

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. S5 s8 s9 s12 s21 s24 s29 32 jack rafters layout right side. S1 s4 s13 s16 s17 s20 s25 28 hip rafters layout. 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 hip end jacks tab displays a dimensioned side view and top view of the hip roof jack rafters for the hip end side of the hip rafter on an irregular hip roof.