How To Frame A Barn Shed Roof

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.

How to frame a barn shed roof.

Anything less than this will ultimately result in a roof that leaks if you plan on putting shingles on it. Take a look over the rest of the project to see how to build the frame of the barn shed. This way the floor acts as a giant builders square. You should always plan everything from the very beginning in order to prevent costly mistakes and to save time.

Build a temporary truss jig by screwing 2 long 2 4 s to adjacent edges of the floor at 90 degrees to each other. Use a framing square to help lay out the notch based on the slope of the roof. Once you have made the decision to use a gable style roof on your shed you have one more decision to make. Place the joists every 16 on center.

For our 4 x8 lean to example using a 2 4 rafter the depth of the birdsmouth is limited by the 1 3 depth of the rafter rule. This means that for every 12 horizontal run you must have at least 3 of rise. Building the floor of the barn shed afterwards you have to build the floor frame of the shed using 2 4 or 2 6 if you will store heavy items in the shed joists. Hoist the rafters up on top of the shed or barn roof.

Put ladders on both sides of the barn or shed and have one person inside of the shed. This is whether to build your own roof trusses by pre made trusses or to simply stick frame in your roof. Align the joists properly at both hands checking for squareness. The typical stick frame roof will be made from 2x4 s or 2x6 s and has a ridge board that runs down the middle of the roof.

In most of the cases you need a friend to give you a hand when assembling the barn shed. A 2 4 wall with a 2 6 rafter can be notched for a 4 seat. 12 x16 mini barn shed with gambrel roof. Align them to the edges of the floor and attach with 3 to 4 screws along their length.