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Calculate all rafter dimensions, placement and cut angles to frame a gambrel roof - Metric
This calculator makes the assumption that the lower roof leg and the upper roof leg are equal in length.
This Gambrel Roof Calculator helps you determine the total length of a gambrel roof based on input parameters such as the span, rise heights, and roof angles. Simply enter the required measurements and click “Calculate” to see the result.
15 sie 2024 · Use this gambrel roof calculator to determine the constructional dimensions of a gambrel roof, given its upper and lower roof pitch, building width and length, and other parameters.
Select Gambrel Roof from the Roof Type dropdown list or click on the appropriate toolbar button to calculate a gambrel roof. The preview drawing displays a dimensioned elevation view of the gambrel roof.
Gambrel Angle (B): The calculator returns the angle in degrees. It also returns the Supplementary Angle (c) in degrees. However, these can be automatically converted to compatible units via the pull-down menu. The formula for the Gambrel Angle of intersection of two right triangles is: B = 2π - π/2 - (π/2 -P1) - P2. where:
27 wrz 2024 · The Gambrel Roof Calculator is a versatile tool that helps you determine all the necessary measurements, angles, and costs for a gambrel roof. Whether you are a builder, architect, or homeowner, this calculator is designed to simplify the process of designing and estimating a gambrel roof’s structure.