Roof Truss Plywood Gussets Tin Roof

I ve never built trusses but i ve built a few boats out of plywood.

Roof truss plywood gussets tin roof. Might go marine grade douglas fir or some such. I would also want a decent grade of plywood for critical structural use. Nailed plywood gusset roof trusses author. Place a gusset on each corner and screw or nail it into place.

Plywood with as many layers of veneer as possible. The course talks about plywood gussets being a non professional design. Truss factories use spiked metal gusset plates with their size shape and location specified as part of the engineering. 10 23 2019 9 32 56 am.

Once all three gussets are attached and glued down the truss is finished. The only real loads will be the weight of the truss and the weight of the gable end drywall plus a couple of feet of flat ceiling. 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. Roof trusses pre built i ve always seen have gang nails or some sort of metal plate gusset.

My world view at the time was fairly narrow as i found out the largest competitors of my new employer were building roof trusses which were held together with plywood gussets which were glued onto the truss lumber with resorcinol glue. As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application. Resorcinol waterproof glue is a great although expensive product. Further make sure you place wood glue on each of the three gussets.

Looking at the topic other places online tho i see a lot of recent things in the past 2 3 years posted about using. No roof loads as the roof is several feet above the top of the scissor gable. Would certainly not use exposure rated. 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.

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. Place wood glue at the end of the board where they will meet. Recent online class student first forum post have a question about engineered roof trusses and gussets.