Truss plates are used in the construction of trusses, which are essential to roof structures and bridges. These plates have several ad Vantag es: easy to in stall, high l oad-car rying ca pa ci ty, and anti-corrosion. truss plates establish a safe-connect link between each other s members, ensuring the stability Andpersistence of roof. But you can also use bolts or welding techniques to reinforce this solid connection further.