Gable Roof Framing Calculator

Trusses can be constructed with smaller sized lumber than rafters and often their cost is not significantly higher than normal rafters.

Gable roof framing calculator.

Gable wall side feet inches enter the overhang of the eaves. Feet inches enter the width of the building. 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. To calculate a gable roof select gable from the roof type dropdown list or click on the corresponding button on the toolbar to calculate a gable roof.

Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries. Gambrel roof framing geometry calculator metric this gambrel roof confines to a semicircle and starts as the top half of an equal sided octagon.

Slope the slope of a roof is represented as x 12 where x is the number of inches in rise for every 12 inches of run this is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares. Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same. The 62 5 inches is the increase in height for the rake wall from its lowest to the highest point. Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters.

To get all data from gable roof calculator you need to measure and enter in the appropriate fields following sizes. The preview window displays a dimensioned side view of the gable roof. 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. Angle the angle of a roof is the same as the roof s slope except instead of being.

Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results. If your wall has a starting height of 96 8 feet the rake wall will have a total height of 96 62 5 158 5 inches 13 2 1 2. Roof pitch calculator results explained. Scroll down past the long gable stud calculator to use the short gable stud calculator which works in reverse.