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105 unique glass panels
16th April 2019

SIKA sealant and adhesive were chosen to bond glass panels to a steel frame in a multifaceted glass roof installed at The University of London’s Senate House.

As part of a refurbishment to create a new academic hub, the roof was created using 105 completely unique glass panels using Sikasil-SG 500 structural silicone adhesive and Sikasil WS-605 S sealant to create the unusual shape of the roof design without the need for mechanical fixing.

Prior to the installation, in-house adhesion testing and structural calculations were provided by Sika’s technical team at Welwyn Garden City to guarantee the strength of bond and ensure the project would meet ETAG 002 European Guidelines.

Cantifix, a Sikasil Registered Contractor, was tasked by Spacelab architects to help with the roof’s design and installation. The roof’s large and unusual organic design meant bonding could not be done offsite. To counter this, Cantifix worked to a 3D-model until onsite where they individually lifted the glass panels into the steel frame before bonding with Sikasil-SG 500.

Andrew Hills at Sika said: “This project is a great example of the value of Sika’s in-house technical team combined with Sikasil Registered Contractors. With a wealth of experience and expert knowledge, the end result is a stunning structurally glazed roof that has been securely bonded for a strong and durable finish.”

Charlie Sharman, CEO and founder of Cantifix, said: “The structurally glazed roof at Senate House is a perfect demonstration of the benefits of this type of construction. If this shape had been attempted in a framed system, the potential for compromising the weather and air tightness would be unacceptably high. With glass and Sika silicone both being stable materials, the roof becomes an impervious membrane to the external conditions for a very long time. It also looks incredible.”

www.sika.co.uk/facades

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