OR THOUGHT ? Jeremy Waterhouse, Flooring Product Manager at Sherwin-Williams discusses.
polymer bead-type aggregates are not particularly strong, and when incorporated into a coating could wear down relatively quickly when subjected to heavy traffic. In practical terms – in a busy production unit, for example – this could mean a coating losing its texture and wearing smooth within a year after being laid, and the floor surface having a lower reading with the TRRL test This could create a medium or even high slip potential, especially when the floor is wet.
MEETING CUSTOMER EXPECTATIONS When these non-slip flooring systems are planned for use in food industry environments, customers have to be made aware of how durable a system is, and for how long it will provide good service.
If a resin-textured coating system is
sold and promoted responsibly, it cannot always be claimed as a long-term solution in a heavy-duty environment, when in reality it can only offer a solution for perhaps a year or two.
The longest-term solution from a resin flooring system in a busy heavy-duty food environment can only be provided with a screed-type product, typically with a minimum thickness of between 6mm and 9mm. These screeds are extremely durable and can be installed with a surface texture to provide a non-slip finish with a large sized aggregate incorporated
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within the formulation. Polyurethane screed systems such as FasTop TG69 are a comprehensive solution for food industry environments and other industrial situations, as they can provide durability; chemical and thermal shock resistance; and low non-slip potential even in wet conditions. These systems are initially installed as a single colour finish, and there are eight standard colours to choose from in the Sherwin-Williams range.
It is a function of this product that the texture changes over time as the high spots are worn down with traffic. The polyurethane resin wears away on these high spots exposing the aggregate which appears as white speckles in the coloured finish of the floor, adding a degree of decoration within the finish. But more importantly for food factories with wet processes in operation, even though the floor becomes smoother, it starts to operate in a different way due to differences in texture, and still provides non-slip performance.
This has been demonstrated in environments such as fish markets and fish processing plants, where wet abrasion had worn down systems like FasTop TG69 to give a smooth finish, in contrast to the textured finish achieved when the system was first installed, while still providing good non-slip performance.
https://resinflooring.sherwin.eu INDUSTRIAL FLOORING | 19
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