Gambrel Attic Truss Dimensions

Gambrel trusses are great for the old barn style image.

Gambrel attic truss dimensions.

Ceiling and 17 ft. Gambrel trusses can also have a nice size room built in just like an attic truss. If the building is 40 in length and 26 in width and the truss spacing was 24 o c then you would take 40 divided by 2 equals 20. Gambrel roof framing geometry calculator inch this gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon.

Besides its unique appearance a gambrel roof also serves to maximize the usable floor space in the attic area. Check out building 1 building 2 building 3. Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters. 2 o c trusses can also be set 4 o c for gambrel style appeal but eliminating attic storage and flooring.

Always remember to add 1 20 1 21. A gambrel or barn style roof is simply a gable roof with a change in slope partway up the roof. For the building as described you would need order 19 26 common trusses and 2 26 end frames. To calculate a gambrel roof select gambrel roof from the roof type dropdown list or click on the appropriate toolbar button to calculate a.

Using the size of the building as a guide determine how many trusses will be needed for the roof. Trusses can be constructed with smaller sized lumber than rafters and often their cost is not significantly higher than normal rafters. Due to the overall height the truss is manufactured as a piggyback truss to allow for transportation. This truss will be used in planset.

Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. A gambrel room in attic truss also provides extra living space while giving your roof a barn like appearance. There should be one truss at each end and the rest should be placed every 16 inches on center. The trusses can be any height but the typical angle of the upper section of a gambrel truss is 30 degrees and the typical angle of the lower section generally has a bend of 60 degrees.

Note that the gambrel style roof allows for a larger attic space with a 9 ft. Gable room in attic trusses provide an economical way to add extra living space to your home or garage. The room size will vary depending on the width and slope of the truss.