How To Build A House Roof Truss

How to build roof trusses for a shed step 1.
How to build a house roof truss. Again for the sake of simplicity we ll be building a truss for a gable roof. This will be the rafters length. A gable roof is your typical two sided roof that meets at a point in the middle. Even if you don t know how to build a truss any diyer with confidence can construct a simple roof truss for a shed.
Determine your shed roof pitch. Cut plywood gusset plates to fasten. It also helps to add metal angle brackets at the bearing points where your trusses meet your shed. Roof truss design 1 24 span 2 web with plywood gussets figure 1 figure 1 roof truss 24 span 2 web with plywood gussets detailed information for a 2 web roof truss with a 24 span with plywood gussets.
If your roof has a. Size the bottom chord 0 25 inches 0 64 cm longer than the floor. That is 25 less lumber which means more money in your pocket as the builder and more money in the pocket of the homeowner. The best material for building trusses on a small scale project is sawn lumber.
On some roof trusses the 2 top chords extend down over. Cut it to the length you require and add the plumb cut to its ends. Start by noting the exact length of the. A stick framed house used 20 643 board feet of lumber while a component framed house including roof trusses used only 15 052 board feet of lumber.
Nail in place to attach the trusses to the foundation of your shed and to keep them in place for the addition of your roof. Dimension lumber and engineered woods like plywood are not available in the sizes and. Designing your truss 1. Your roof truss will need to be able to handle the expected dead loads and live loads on your structure s roof.
As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application. Attach the truss firmly to your shed. The truss will also need to be supported adequately at its ends. Begin by determining the measurements of the roof s slope.