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.

Rafter is the beam supporting the building. As a general rule roofs that have a high human occupancy rate should be framed with rafters every 16 structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes. 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.

A useful shed roof rafter calculator to calculate the rafter length for the given dimensions of the roof of the building or a structure. You want the ridge of the gable to be 2 feet. 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. This means that for every 12 horizontal run you must have at least 3 of rise.

Since the ridge of our gambrel roof will run the length of the shed down the center that leaves us with about 4 horizontal feet from the ridge to the outside edge of the shed. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. 8 8 8 12 8 16 and 8 20 sizes available. 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.

Find its length with our online rafter length calculator. The preview window displays a dimensioned side view of the shed roof.