Gambrel Roof Rafter Design

Main features gambrel roof design calculator.

Gambrel roof rafter design.

How to build perfect barn style gambrel roof trusses. Gambrel roof framing geometry calculator inch this gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon. A gambrel style shed roof offers the most storage space in the attic when compared to a gable or saltbox style shed roof. Build the trusses now because the empty floor will be part of your temporary truss jig.

The guidelines i am about to explain for you outline the steps i use when i am designing my gambrel shed plans barn shed plans and small barn plans. Click here to see more shed building videos. Click here to buy the plans to build this tall barn style shed with loft for only 9 97. A gambrel roof is a popular roof style on many contemporary barns and sheds.

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. Gambrel roofs are symmetrical with two slopes on each side of the roof. A gambrel or barn style roof is simply a gable roof with a change in slope partway up the roof.

To calculate a gambrel roof select gambrel roof from the roof type dropdown list or click on the appropriate toolbar button to calculate a. If you plan on building and installing your own gambrel roof you ll have to draw out plans first to determine the proper dimensions.