Gambrell Roof Construction

If you plan on building and installing your own gambrel roof you ll have to draw out plans first to determine the proper dimensions.

Gambrell roof construction.

Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. Gambrel roof framing geometry calculator inch this gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon. The oldest surviving framed house in north america the fairbanks house has an ell with a gambrel roof but this roof was a later. Gambrel roof a gambrel or barn style roof is simply a gable roof with a change in slope partway up the roof.

Building width enter the width of the building. Use this information at your own risk. A gambrel roof is a popular roof style on many contemporary barns and sheds. The oldest known gambrel roof in america was on the second harvard hall at harvard university built in 1677.

Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. Possibly the oldest surviving house in the u s. Besides its unique appearance a gambrel roof also serves to maximize the usable floor space in the attic area. The following information is a guideline you can use for building a gambrel shed roof.

Gambrel roofs are symmetrical with two slopes on each side of the roof. As always seek the advice of your local building officials if you plan on using this information to build your shed roof to make sure your shed will be built to local building code specifications. 1677 78 peter tufts house.