Gambrel Roof Construction Details

A gambrel roof is a popular roof style on many contemporary barns and sheds.

Gambrel roof construction details.

Use this information at your own risk. To calculate a gambrel roof select gambrel roof from the roof type dropdown list or click on the appropriate toolbar button to calculate a. Their shape can provide more storage without taking up more space. You should utilize three tab asphalt shingles for this project.

Also most gambrel roofs require a kneewall to support the knuckle or the joint between the upper and lower roof slopes. 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. The project architect briefly discusses the basics of gambrel roof design.

Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. The gambrel only uses two roof beams along with gusset joints. Gambrel roof framing geometry calculator inch this gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon. Since the construction is quite simple with fewer materials needed this helps to keep the cost of a roof down.

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. A gambrel or barn style roof is simply a gable roof with a change in slope partway up the roof. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. Besides its unique appearance a gambrel roof also serves to maximize the usable floor space in the attic area.

The application of shingles over a gambrel roof has very little variation from the application of shingles to a traditional roof. 24 x 36 gambrel roof cabin plans e blueprints gambrel cabin specifications 24 x 36 main floor 16 x 36 loft 2 bedrooms loft sleep area 1 bath plan sets contain the following. Gambrel roofs are also a great idea for outdoor sheds and storage buildings. Dealing with two roof pitches instead of one seems to complicate matters disproportionately.

A couple years ago when i was building my 15 by 20 foot log cabin in far northern washington i decided to top the building with a gambrel rather than a more conventional gable or a frame roof. Gambrel roofs can be a challenge.