Stepping off the rafter step 1.
Gable roof rafter layout.
Roof framing rafter layout.
Roof pitch or slope is measured in a vertical to horizontal ratio.
Start at the ridge.
The right angled notch that fits over the top of the wall is.
This will the first point of the rafter measurement line.
Steeper roofs require more materials to build.
Rafter layout this article will discuss a gable roof without valleys or dormers because it s the most common and the easiest for a first time builder to tackle.
The drawings and the size of the rafters are generated in real time.
Clamp stair gauges to the framing square to align rise and run measurements with the.
Building width enter the total width of the building.
Here we have a wood framed gable roof.
Measure down y height from the long point of the rafter cut and make a mark.
This is our ultimate roof rafter guide for people designing and building an off grid cabin or tiny home.
Gable roof framing calculator plan diagram with full dimensions for a good straight fascia add an extra inch or 2 to the tails of all your rafters total length.
Most gable roofs have a slope between 3 12 in 7 6 30 5 cm vertical rise for every 12 in 30 cm horizontally.
From one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it.
Along the top center of the house there is a beam to which are attached the rafters.
Learn the 1 rafter design that will guarantee your roof that is safe and strong for years to come.
Plumb and seat cuts complete the bird s mouth.
Overhang enter the horizontal overhang including the thickness of the fascia board.
Use the saltbox roof if you want different overhangs for the front and rear roofs.
Let s consider a basic gable wood roof framing design.
Flip the square to mark the.
The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.
Each rafter is in turn fastened to the top of the exterior structural walls.
Online calculator produces an accurate calculation of the rafters online calculates the sizes of rafters for the roof.
The length of rafters length overhang the angle of the saw cut the distance to drinking.
Discover the pros and cons to multiple roof designs.
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.
