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Structural Sealant Glazing (SSG) Technology

Glass architecture in its purest form

Statutory regulations for SSG applications

1. permitted facade systems

The permitted use and application of construction products is determined in the building material register ÖE published by the Austrian Institute for Building Technology (OIB) [>]. Construction products which have the European technical permit (ETA), may be used if they are in accordance with the specifics set out in the building material register. The building product Glass is regulated in Chapter 3, 3.1 bonded glass facades.

The significant requirements are:

  • Possesses an ETA in accordance with ETAG 002
  • For DGU or Laminated glass only Type I (with support o self-weight) are permitted
  • Only for single glass units Type III (with support of self-weight) is also permitted

    The required restraints to reduce the danger should the bond fail (mechanical safety) are, irrespective of installation height, always to be used.
  • The most important glass types are laminated safety glass or heat-soak tested monolithic tempered safety glass

Bonding of such systems may be carried out only by certified, independently audited companies. ECKELT is certified by ift Rosenheim.

 
 
 

2. Bonding without permit

For all other systems which do not possess an ETA (European Technical Approval), the window/facade contractor must seek specific approval from the local authority o the basis of ETAG 002.

Basis:

  • Structural dimensioning of the bonding
  • Adhesion testing on original profiles/silicone with ETA certification 2-component silicone DC 993 (ETA 01/0005)
  • Factory internal control similar to ETAG 002 by ISO 9001 certified companies

Preferred bonding surfaces of profiles:

  • Aluminium anodised
  • Stainless steel

The original extrusion/profile (coating, anodising batch) is specifically tested for adhesion properties and approved by Dow Corning prior to bonding.

Permitted bonding surfaces of glass with Silicone DC 993:

  • Float glass
  • Coated glass COOL-LITE (SS 108, PB 114 N, ST 150), ANTELIO (clear, Silver)
  • EMALIT-H, SERALIT LITEX-H

We recommend that only materials which have been tested for compatibility are used for Weather Sealing, e.g. Dow Corning DC 791.