How To Frame A Irregular Hip Roof

The procedure for the erection of a simple hip roof.

How to frame a irregular hip roof. I was holding up traffic so i just. The hip roof framing calculator returns the value of the main rafter the side rafter the length of the hip the height of the knee wall and the lengths of the jack rafters. 1 pyramid hip roof roof base is a square roof sides are identical isosceles triangles 2 hip roof roof base is a rectangle two sides are identical isosceles triangles and two sides are identical trapeziums. Hip line length hiplength rise sin hipangle minor roof span minspan minll sqrt 1 rise rise minll minll this is the distance from the end of the ridge to the building line.

Place the 4 6 common rafters in their designated positions along the 2 longest walls and nail them firmly to the wall with a nail gun. 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 first step in the process of erecting the hip roof is to get the ridge beam into place at the top of the roof. Attach 4 6 centering rafters and lift the ridge beam into place.

View the hip rafter roof plane alignment blog for more examples of the hip rafter plumb mark line shift on equal pitched roofs. They are off center to illustrate this using sketchup and your models dimensions draw a right triangle with one leg at 25 9 3 8 and the other leg length at 17 2 5 8 now scale the triangle down so the hypotenuse is reduced to 1 1. I asked why then the offset on the left he gestured and said something about the new gable or the new hip roof adjacent to the offsetted hip rafter but i couldn t hear him well. Next click on the hip angles button and then click on the hip valley rafter slope angle text.

I took a couple of pictures and saw one of the framers. View the irregular hip roof valley rafter framing blog for how to layout the hip rafter backing depth mark and the hip rafter side cut mark for hip rafter side cut angles. Hip backing angle 15 4 for a good straight fascia add an extra inch or 2 to the tails of all your rafters total length. The procedure for the erection of a simple hip roof.

Here we consider two types of hipped roofs see picture. It will display the framing square usage for the slope angle of the hip rafter 27 50055 6 12. When framing irregular hip valley roofs the h v rafter members are not equally split by the sheathing lines.