Gable Roof Rafter Design

Here we have a wood framed gable roof.

Gable roof rafter design.

Rafter templates birdsmouth hap etc. There are several variables to consider when determining the proper rafter size. To calculate a gable roof. Let s consider a basic gable wood roof framing design.

Discover the pros and cons to multiple roof designs. Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters. Online calculator produces an accurate calculation of the rafters online calculates the sizes of rafters for the roof. 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.

This sizing guide for roof rafters will help determine what you need for your small project. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. Weather you re building a shed roof or adding a dormer to your second story it is important to choose the proper size rafter. Learn the 1 rafter design that will guarantee your roof that is safe and strong for years to come.

Calculate your ideal roof right now it s free. Put roof sheathing on top of your roof. A standard triangular roof known as a gable roof is framed using rafters which are diagonal members that support the roofing materials. Use 1 2 in 1 3 cm plywood to cover the entire surface of your roof.

Use the saltbox roof to calculate a two sided roof with different slopes spans and or overhangs for each side of the roof. Use construction nails 6 in 15 cm apart to secure the plywood around the outer perimeter and along each support. 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. Place a piece of the plywood on the bottom corner of your roof making sure the edges are on a rafter beam.

But a gable roof also requires some form of horizontal. The calculator provides online calculate the length of rafters a gable roof. This is our ultimate roof rafter guide for people designing and building an off grid cabin or tiny home. Each rafter is in turn fastened to the top of the exterior structural walls.

User friendly interface detailed calculation and drawings interactive 3d view roofing materials layout plans. The drawings and the size of the rafters are generated in real time. Along the top center of the house there is a beam to which are attached the rafters. The length of rafters length overhang the angle of the saw cut the distance to drinking.