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STC Balcony Connector Application

STC Balcony Connectors

STC Steel-to-Concrete Connectors

The STC system anchors steel balconies to concrete floor slabs and has been proven through thermal modelling to reduce heat loss when compared to direct connections.

The two part assembly, comprising a cast-in anchorage and a post-fixed bracket with thermal pad located at the interface, allows for phased construction. Unlike one-piece systems which are left exposed on-site, the STC bracket component is not fixed until required reducing the risk of damage.

Download the brochure for full product and performance details.

Manufactured to order, the bracket depth can be designed to suit the exact requirements of the application and avoid conflicts with the external cladding.

System Components

Serrated pads and slots provide adjustability in the final bracket position without the need for stop butts or levelling shims.

Anchor bars are Grade B500B and are supplied fixed to Duplex stainless steel couplers.

A stainless steel nail plate completes the assembly and features notches indicating the centreline, normally located on the centreline of the slab, to ease accurate installation.

CE Marking

The fabricated brackets are manufactured from hot-dip galvanised S355 plain carbon steel as standard and can be supplied in stainless steel (SSTC) for applications requiring enhanced corrosion protection such as coastal areas. They are designed to EN 1993 (Eurocode 3) and CE-marked to EN 1090 Part 1.

Thermal Modelling

Thermal modelling of a typical application using Ancon STC connectors confirmed that the temperature factor was within the limits detailed in BRE document IP1/06 for eliminating condensation risk in dwellings, residential buildings, schools, offices and retail premises (0.75).

System Benefits

  • Proven through thermal modelling to reduce heat loss
  • Two-part assembly allows phased installation and avoids damage by other trades
  • Simple nailplate design avoids cutting of formwork around the connector
  • Variable bracket projection to suit wall construction and avoid conflict with cladding
  • Serrated slots provide adjustability on-site for fine tuning of balcony without levelling shims
  • Bracket fabrication CE marked to BS EN 1090-1
Ancon STC Connector

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