An expert judgement was also made for connecting FR300 to a steel El60-construction.

Based on the test performed in accordance with EN1366-4:2000+A1:2010 and the extended application in accordance with EN 15882-4:2012, the system was classified in accordance with EN13501-2:2007+A1:2009. The tests were performed in accordance with European standard EN1366-4:2000+A1:2000 using the standard heat curve. Fire resistance tests were carried out by the Peutz Laboratory for fire safety for the determination of the fire resistance of several linear joints with SafeFix® FR300 hybrid sealant in walls with elements of aerated concrete, steel, wood and gypsum. The fire-resistance tests conform with EN1366-4 to 240 minutes in horizontal or vertical joints measuring 30mm wide. SafeFix® FR300 is also certified for horizontal joints and connections to floor/ceiling with wall, wooden and steel casings and all stud applications. It has a fire resistance of up to 4 hours and is suitable for the fire-resistant adhesion of connection and dilation joints in construction. SafeFix® FR300 is also chemically resistant, permanently flexible and can counteract the spread of fire, smoke or toxic vapours. It is suitable for fire-resistant bonding of all kinds of surfaces in construction and general manufacturing industries. One such product is SafeFix® FR300 - a high-quality and durable one component ’fire-resistant’ MS Polymer adhesive. The use of adhesives and sealants in bonding cladding, fixing stud partition walls, dilation joints and other applications have come under scrutiny in the aftermath of this tragedy and with advancements in adhesive chemistry new products have been brought to market. Following the terrible fire that engulfed the Grenfell Tower block in West London in June 2017, the spotlight has been firmly focussed on improving resilience against fire in such buildings and on developing fire resistant materials used in the construction of buildings and in general manufacturing and engineering.

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