Symons® Drop Head System

Forming | Shoring

Symons

The Drop Head System’s versatility and efficiency is designed around contractors’ needs. This system is the most cost-effective solution in today’s market place.


Symons’ Drop Head System is a post and beam shoring system that consists of only 3 main components: special drop-head post shores, aluminum ledgers, and LVL joists. 

Drop-heads permit easy stripping of horizontal members so they can be cycled to the next pour. Shores are reset in place as re-shores, while 75% of the total system moves to the next pour. 

All parts are imperial in size and color coded to match layout drawings.

A 6' x 8' grid will support a 12-inch-thick slab. Slabs up to 18" thick can be supported with standard equipment.

All posts have attached Jet-Locks so standard steel cross braces can be used to produce a fully braced tower for safety during erection of the system. During erection, ledgers are self-suspended by one end from the drop-head, and then the other end is rotated up into position. Thus, a single worker could fully erect the posts, ledgers, and joists alone.

The system can handle cantilevers, drop beams, column capitals, and other common forming requirements, including forming of ramps. The Drop Head system can form ramps at grades of up to 14%.


Features:

  • Post shore height range: 6’6” – 12’8”
  • Post shore weight support range: 6,845 – 14,290 lbs.
  • 2 Ft. & 3 Ft. post height extensions are available
  • Color coded ledgers & wood joists for easy organization
  • Component connections are made simple with our ergonomic design
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  • Realize lower costs with 70% material recovery one day after a pour
  • Modular design and use of storage frames results in efficient shipping and lower freight costs
  • Single posts can handle up to 18” of concrete slab depth at heights ranging from 6’-8” to 12'-8"
  • Parts and engineered drawings are color coded to ease use and assembly in the field
  • Round wedged drop-heads allow ledgers and joists to be stripped, leaving undisturbed reshores in place
  • Slabs with slopes up to 12% can be shored and safely braced to resist lateral loads
  • 8’ x 6’ post grid (48 sq ft) require 25% fewer posts than European 2M x 2M (36 sq ft) post grids
  • Fully braced cantilevers allow for wide walkways beyond the slab edge
Standard steel cross braces can be utilized to stabilize posts during initial erection – no tripods or wood bracing is required.
  • Lightweight aluminum Ledgers are available in standard lengths of 10’, 8’, 6’, 5’, and 4’
  • 5’ and 6’ LVL Joists span from Ledger to Ledger
  • Modular panels can be used with the aluminum Ledgers when a panelized system is preferred
  • The system ships in storage carts which can be moved throughout the jobsite without the use of a crane
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