Gable Roof Rafter Calculator

Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters.

Gable roof rafter calculator.

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. The image clearly shows all the options you want. In the select dimensions you need to make the roof by selecting appropriate units of measurement.

Allow for ridge thickness when determining rafter run to outer wall. The results are automatically fired. Print full scale rafter cut templates and birdsmouth templates fold template over rafter to mark or cut through. 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.

Use the diagrams on this page as a reference when inputting rise and run and while interpreting the calculated results. Rafter length calculator calculate the length of a rafter from the roof slope ratio of inches per foot and a building width measurement. If you add an eaves overhang dimension then the amount the rafter sticks passed the wall will be added to the rafter length. The calculator provides online calculate the length of rafters a gable roof.

Prices are based on quotes from multiple lumber yards and building material suppliers. Roof rafter calculator will estimate the length board size quantity cost per board and total cost of lumber. See rafter run to outer wall calculator below. The section thickness x width and the pitch of the rafters depends on the angle of the roof its type length stropilnoj feet maximum short time withstand major loads and the type and weight of roofing and even to some extent the width of the insulation.

The preview window displays a dimensioned side view of the gable roof. Includes result for hip valley factor slope factor and the roof slope in degrees. Half building width minus 1 2 ridge thickness. Trusses can be constructed with smaller sized lumber than rafters and often their cost is not significantly higher than normal rafters.

The estimates are based on your house foot print length and width and roof slope. The calculation of the shed roof rafters run another calculator.