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GGP August 2017

Smash and grab a solution to broken glass Bohle says that its emergency repair film has been developed to provide a ‘fast and cost effective’ solution to the risks associated with damaged or broken glass. When glass breaks – on location, in transit or on the factory floor – it has the potential to cause serious injury, especially if it’s handled incorrectly. According to Bohle, legislation governing the handling of broken glass is covered as part of wider guidance under the Health and Safety at Work Act 1974. This also includes a direct reference to broken glass, its clean up and repair, placing a responsibility on employers and building management to take precautions to minimise the risk of injury to staff and to members of the public. “The biggest challenge is in handling and removal of broken glass,” says Dave Broxton, Bohle’s managing director. “The risks are obvious so the flexibility to secure, stabilise and protect glass to support its safe removal, is a real plus for installers and emergency repair companies – and that’s what Bohle’s emergency repair film gives them, it massively reduces risk when handling broken glass.” Bohle’s emergency repair film uses a semi-rigid, ‘extremely tough’ polyester film combined with a high-performance solvent-free acrylic adhesive. Applied without the use of specialist tools, the adhesive side is lined with glassine coated paper and a printed grid pattern on the outer side to help cut the film to size. Said to deliver one third of the tensile strength of steel, full weather sealing and 85% light transmission, Bohle says that it’s ideal for temporary repairs and to stabilise and make broken glass safe. “If you think about the alternative – boarding broken windows – there are a wealth of benefits. As the end user, you aren’t left in the dark looking at a board. It can also be applied without specialist tools, there’s no hammering or noise so no disruption if working at night or in the workplace,” says Broxton. “It allows you and other people to get on with their day, while full repairs are planned and scheduled. The other major benefit is that when it does come to permanent repair, in 28 G L A S S & G L A S S P R O C E S S I N G most cases glass can be removed as a single unit and using a standard vacuum suction lifter.” Customer test: Sapphire Balustrades High-rise residential balcony and balustrading specialist, Sapphire Balustrades, recently put the Bohle emergency repair film through its paces in independent testing. Using 10+10 laminated glass with PVB interlayer, Sapphire says that its R&D team conducted two strength tests. The first of these was conducted with Bohle emergency repair film applied to undamaged glass, the second with a shattered top side. Each piece was installed in a test rig, where a vacuum pad was attached and tested against increasing loads. The test involved the use of a 50kg rated vacuum pad. The first test, with the glass intact, involved a load of 87kg of pressure applied to the vacuum pad, which held for six minutes. The load remained constant for the test period. The top layer of glass was then shattered but was held together by the laminate layer on one side and the Bohle emergency repair film on the other. A load of 98kg was applied to the vacuum pad which held consistently for the test period of two minutes with no loss of holding force. www.ggpmag.com August 2017 Sapphire’s concluded that Bohle emergency repair film delivered a very high level of performance against some substantial loads. Also, that the instant and very highstrength adhesion could be of real value to anyone who is handling or transporting broken glass. Working with major house builders and developers nationwide, Sapphire Balustrades reportedly leads the field with it’s patented Glide-On Cassette balcony system, which can be manufactured offsite then delivered ready for final install. While manufacturing offsite reduces the risk of accidents, the balconies are still installed on active construction sites and are therefore still susceptible to damage. According to Sapphire, replacing glass 300ft in the air clearly presents challenges and safety risks and with that in mind, identifying a product that allows users to isolate any risk and to protect the integrity of the glass, is a major benefit. The film can protect the glass, the site, other trades or the end-user, while replacements are arranged. Bohle emergency repair film is sold in standard 1,000mm and 500mm widths and 15m lengths. Following feedback from Sapphire, Bohle has also developed 150mm and 350mm special options.


GGP August 2017
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