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. Feet inches enter the width of the building. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. Gable stud calculators use these gable stud calculators to solve for the values of all the studs on 16 center in a gable wall from the long stud down or from the stud up on all standard roof pitches. To get all data from gable roof calculator you need to measure and enter in the appropriate fields following sizes.

Enter the length of the building. Gambrel roof framing geometry calculator metric this gambrel roof confines to a semicircle and starts as the top half of an equal sided octagon. The 62 5 inches is the increase in height for the rake wall from its lowest to the highest point. Gable wall side feet inches enter the overhang of the eaves.

Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same. Scroll down past the long gable stud calculator to use the short gable stud calculator which works in reverse.

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. 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. Roof pitch calculator results explained. 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.

Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters. 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. The preview window displays a dimensioned side view of the gable roof.