Plywood Roof Trusses

Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component.

Plywood roof trusses.

Fink trusses were originally invented for the purpose of beefing up bridges but many contractors now use them to increase the strength of interior structures. Build a fink truss to bolster a floor roof or deck. In a fink truss the internal joists are arranged in a w shape ensuring even weight distribution from one end to the other. They appeared to be engineered followed a standard web configuration and the plates seemed adequate.

We have seen trusses using plywood gusset plates glued and nailed to the truss webs that were constructed at the homesite by the carpenters a few times in the 1980s in the florida keys. Dimension lumber and engineered woods like plywood are not available in the sizes and. The minimum plywood for roofing. Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for light frame wall and roof assemblies in weather protected applications.

The truss will also need to be supported adequately at its ends. Rafters run from the peak of the roof. The best material for building trusses on a small scale project is sawn lumber.