Gambrel Roof Snow Load Calculator

Basing on the roof parameters you specified in the first section our snow load calculator displays the maximum allowable snow cover thickness and snow weight.

Gambrel roof snow load calculator.

All of the load cases required to fully design an actual structure are not provided by this calculator. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. P ground snow load pg. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth.

Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. To calculate a gambrel roof select gambrel roof from the roof type dropdown list or click on the appropriate toolbar button to calculate a. For the design of an actual structure a registered and licensed professional should be consulted as per irc 2012 sec. Gambrel roof framing geometry calculator inch this gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon.

R802 10 2 and designed according to the minimum requirements of asce 7 10. Our calculator automatically finds the permissible load on your roof according to the national building code of canada nbc. Horizontal distance from eave. P p from eave to ridge w.

Length of high roof lu. Make sure to not wait for too long though. Figure 7 1 pages 84 85 and table 7 1 page 92. It also informs you whether you should immediately remove some of the snow or you can wait a little bit longer.