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Thursday December 14, 2023

Laminated glass consists of two sheets of glass bonded together with a special inter-layer between them. In respect of balustrade, it is normal practice to bond two panes of toughened glass together. There are many main types of inter-layer available, each has its own characteristics. The most common inter-layers include;

PVB = (Poly Vinyl Butyral) – Least resistant to water

EVA = (Ethyl Vinyl Acetate)

SGP = (Sentry Glass)

CIP = (Cast in Place)

Please be aware that laminate inter-layers can, if not installed correctly, be affected by immersion in water and can eventually cause de-lamination of the two sheets.  Laminated glass should never become submerged in water so depending on the location of your installation, appropriate drainage may be a required feature of your channel.

The table below shows details of the Uniform Distributed Load (UDL) and required glass make up for toughened and laminated glass for use on free-standing glass protective barriers (based on 1100mm high glass panels).

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