How To Make A Roof Truss Jig

Drill a pilot hole in one of the pointy ends of every other truss piece so you can toe nail them together at the top joint.

How to make a roof truss jig. Materials 2 4 lumber pieces 1 3 lumber pieces 1 2 plywood sheets wood nails wood glue metal angle brackets. Once everything is in place get some scrap pieces of 2 4 and place each one along the framed truss to make an outline. You can use nails or screws and add construction adhesive for a strong joint. Use a speed square to mark the angles.

Attach the osb webbing to each joint. Here is how i built 13 roof trusses for my shed. Put the ends of two truss pieces into the jig and press everything together. The span is 126 four 2x4 s are connected with 14 x 6 screws.

This will allow you to just place the next pieces of wood in the exact same place as the first allowing the assembly of the next truss to be easier. A circular saw jig was made to make the repetitive 22 5 degree cuts at the right length each time. Once in the proper place screw them into the floor making a frame or jig. All joints are reinforced with plywood plates on both sides.

Apply a thin layer of construction adhesive to the backside of a plate. Lay 2 truss pieces in the jig and secure to the floor with 3 inch screws. Then flip it over and press it firmly into place over a joint between two truss beams. Remove the screws holding the rafter pieces flip the truss over and attach the osb webbing to the other side of the joints.