Shed Gambrel Roof Calculator

The following tools estimate the area of a roof as well as the amount of materials necessary to construct a roof of a given area.

Shed gambrel roof calculator. The house base area is the area of land that the house covers and for more complex shapes can be estimated using the area calculator. Imperial metric shed dimensions. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. Shed roof a shed roof slopes in one direction only.

Gambrel roof square footage calculator calculate the square footage of a gambrel style roof using imperial measurements. Gambrel roof framing geometry calculator metric this gambrel roof confines to 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. Draw a semi circle on the graph paper mark a center peak at the top and draw two lines on each side in the shape desired for the gambrel 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. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. Enter the pitch of the upper roof rise 12 enter the pitch of the lower roof. The lower slope length is measured from outside wall to the start of the upper sloped roof section.

Square feet enter a waste factor. Calculate gambrel angles with graph paper and a protractor. 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. Easy rafters is designed to calculate shed roofs that are framed to a ledger board nailed against a vertical wall not freestanding shed roofs supported by walls at both ends.

Gambrel roof framing geometry calculator inch this gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. Use the protractor to measure those angles at the peak the walls and the point where the two lines intersect on the top side of the roof. A gambrel style shed roof offers the most storage space in the attic when compared to a gable or saltbox style shed roof.

The calculator will figure out the areas of the foundation and walls and will add up the roof costs and finishing costs to come up with a grand total. The length measured from the outside of the wall to where the upper slope from the gambrel roof starts.