Shed Roof Dimensions

When you are designing your shed roof whether it be a gambrel gable or saltbox you should never have any roof pitch less than a 3 12.

Shed roof dimensions.

The preview window displays a dimensioned side view of the shed roof. If you re planning on building a gable roof with a pitch of 4 12 for a shed that s 200 inches 510 cm wide your rafter boards would need to be 105 3 inches 267 cm long on each side. Rafter is the beam supporting the building. 8 8 8 12 8 16 and 8 20 sizes available.

That gives us rise over run of 2 4. To calculate a shed roof select shed from the roof type dropdown list or click on the corresponding button on the toolbar to calculate a shed roof. This means that for every 12 horizontal run you must have at least 3 of rise. Find its length with our online rafter length calculator.

Anything less than this will ultimately result in a roof that leaks if you plan on putting shingles on it. A useful shed roof rafter calculator to calculate the rafter length for the given dimensions of the roof of the building or a structure. Don t forget to cut the ends of each board to the appropriate angle to allow them to fit together at the peak. The advantages to sourcing this product through tuff shed include quicker turnaround time delivery of the units fully assembled and the ability to purchase in single unit quantities.

If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. Now let s say you want to build an 8 10 shed with a gable roof.