Steel-Ply Concrete Forming System

Symons, by Dayton Superior, Steel-Ply is the most productive, pre-engineered, reusable, factory-built concrete forming system in use today.  It is designed for maximum versatility and can be used to form virtually any concrete structure.

Product Description

  • 1000 psf allowable pressure
  • Every panel and filler is made in the USA by Union employees
  • 1/2″ HDO plywood gives a great concrete appearance
  • No special tools required – just a carpenter’s hammer
  • The same form can be handset or gangformed
  • Only one type of connecting hardware is required – Wedge Bolts
  • Has been the most popular concrete forming system in the USA for over 50 years
  • Reface the forms with our special replacement 1/2″ HDO or Birch plywood


Steel-Ply Brochure

Steel-Ply Application Guide

Handset Steel-Ply Safety Poster

Steel-Ply Component ID Poster