How To Create The Jig For A Gable Roof Trusses

Making sure that the truss pieces line up correctly and they will indeed fit your 10 wide shed we can make a jig using this first truss.

How to create the jig for a gable roof trusses. Mark the center of this 2 4 and attach it to the edge of the floor matching the above truss center line. Once in the proper place screw them into the floor making a frame or jig. Then screw this jig assembly to the floor. Now cut two small pieces of wood and screw them to the outside of these marks.

Nail osb or plywood onto the rafters to enclose the roof. The dimensions of your structure will determine the angles formed by the truss s top and bottom beams or chords. Start with the top corners of the roof first. Measure and cut the pieces for the trusses.

You can do this by making a simple jig. Extend it above the floor 1 1 2 inches and secure to the edge of the floor with several 3 inch screws. Place the osb or plywood on the top portion of the rafters and make sure that the edges run flush. Nail along the edges of the osb or plywood driving the nails into the rafters every 8 inches 20 cm with 8d common nails.

Place two pencil marks eight feet apart on the edge of the unused 2 4 top plate. Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters. Assemble enough trusses for your shed roof. The entire truss should be laying flat on the shed floor exactly as it will fit for the roof but it will be lying on the floor.

Use a speed square to mark the angles. A truss for a gable roof on one side of your home for example might need to be 15 feet 4 6 m long and 4 6 feet 1 2 1 8 m tall. Once everything is in place get some scrap pieces of 2 4 and place each one along the framed truss to make an outline. Take a 2 4 upper top plate and cut it to length a.

Trusses can be constructed with smaller sized lumber than rafters and often their cost is not significantly higher than normal rafters. This sets the width of the truss.