Plywood Gussets Roof Trusses

Truss factories use spiked metal gusset plates with their size shape and location specified as part of the engineering.

Plywood gussets roof trusses.

Now go through and cut the proper amount of gussets for the amount of trusses you will need. A home inspector for a homebuyer will always call out site built trusses with plywood gusset plates for evaluation by a licensed structural engineer unless stamped engineering drawings are provided by the homeowner. The main reason for this is that a rafter roof can be built less expensively using smaller cross section dimensional lumber components for construction. The primary disadvantage of roof trusses is that the attic space is not easily usable for storage or potential living space.

Loads indicate the bottom chord will be in tension with a force of around 300 pounds the top chords will be in compression at around 311 pounds or so. Once they are connected at the right place then place your plywood piece over the two boards and trace out an outline for the gusset to hang over and attach the boards together as in the diagram above. 10 23 2019 9 32 56 am. Factory built trusses are designed by qualified designers.

These trusses are typically prefabricated and delivered to a job site to be erected as a unit. As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application. Roof truss design 1 24 span 2 web with plywood gussets figure 1. Joints are fastened with metal gussets which are steel plates that overlap the wood connections secured with spikes driven into the wood.

Most new homes are built with trusses for roof framing. Having designed a truss now trying to figure out how big the plywood gussets need to be and what kind of fastening schedule is required. Metal truss plates are installed in factories. Plywood gussets means site built trusses that have not been engineered.