The all new Symons Sym-Ply concrete forming system features 1500 psf allowable pressure by using 80 ksi steel for strength and durability. It pins directly to Steel-Ply panels, fillers, corners, hinges, and pilaster forms and has built-in tie-off bars for fall protection. A profiled side rail allows pry bar access for adjusting gangs to the chalk line. Weighing only 8 lbs/sq ft this system can be clamped or bolted together for maximum versatility. Dayton Superior.