How To Make A Roof Truss Jig

Apply a thin layer of construction adhesive to the backside of a plate.

How to make a roof truss jig.

Once in the proper place screw them into the floor making a frame or jig. A circular saw jig was made to make the repetitive 22 5 degree cuts at the right length each time. Materials 2 4 lumber pieces 1 3 lumber pieces 1 2 plywood sheets wood nails wood glue metal angle brackets. Then flip it over and press it firmly into place over a joint between two truss beams.

Also drill four pilot holes in both ends of the collar beams. All joints are reinforced with plywood plates on both sides. 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. Once everything is in place get some scrap pieces of 2 4 and place each one along the framed truss to make an outline.

Use a speed square to mark the angles. The span is 126 four 2x4 s are connected with 14 x 6 screws. Insert construction screws every 2 3 inches 5 1 7 6 cm through the holes in the face of the plate and use an electric drill drive the screws deep into the wood. You can use nails or screws and add construction adhesive for a strong joint.

Attach the osb webbing to each joint. Put the ends of two truss pieces into the jig and press everything together. Remove the screws holding the rafter pieces flip the truss over and attach the osb webbing to the other side of the joints. A how to on homemade wood truss construction.