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NS21 is an advanced, professionally applied anti-slip floor treatment developed by Safety Direct Group. Using a patented aqueous-based polymer, NS21 chemically bonds with the surface to create a microscopic honeycomb structure — invisible to the eye but incredibly effective underfoot.
When walked on, this structure forms a gentle suction effect between the floor and footwear, instantly increasing traction — even in wet or greasy conditions.
It’s completely non-toxic, eco-friendly, and leaves no visible change, making it ideal for maintaining high safety standards without compromising appearance.
Chemically bonds at a microscopic level to create permanent traction. Works instantly without altering the appearance or feel of the floor.
None. Invisible, durable, compliant and maintenance-free.
Uses corrosive chemicals to roughen the surface for improved grip.
Damages surfaces, provides short-lived results and is harsh on the environment.
Abrasive process that adds surface texture to reduce slips.
Alters appearance, increases cleaning costs and is disruptive to apply.
Applies textured layers or grit particles to the surface for temporary traction.
Changes colour and finish, wears quickly and requires regular reapplication.
Creates a suction-like effect that boosts grip underfoot.
Bonds gently with the floor without etching, erosion, or coatings.
Delivers full slip-resistance performance within minutes of application.
No change to colour, gloss, or texture – completely invisible after treatment.
Resists wear, cleaning agents, and heavy foot traffic for long-term performance.
Exclusive to Safety Direct Group for unmatched anti-slip performance.
Exceeds slip resistance standards (AS/NZS 4586:2013, AS 4663:2013).
Floors are ready for full use within minutes of application.
Safe for staff, guests, and the environment — zero harmful chemicals.
Maintains your original floor appearance — no visible change or coating.
Installed across hospitals, retail, education, and industrial environments.
NS21 was developed by Safety Direct Group’s in-house R&D team, combining decades of experience in floor safety and materials science.
After years of testing and refinement, it became the UK’s leading anti-slip treatment: trusted by major organisations across healthcare, retail, transport, and manufacturing sectors.
Today, NS21 continues to set the standard for non-destructive, high-performance floor safety.
Nicola W.
Really impressed by how efficient and friendly the team were. Our tiles not only look better but are now non-slip, which gives real peace of mind. Great value too!
Matt E.
Top-notch service, it was treated with care and importance. Everything was handled smoothly, and the results speak for themselves.
Daniel S.
Fantastic service – quick response, clear quote, and the work was done the very next day. The difference is noticeable, and we feel much safer walking on our tiles now.
Ellie G.
I dealt with Ollie, who was incredibly helpful and responsive. Even though they usually handle big commercial jobs, he made my small domestic job feel just as important. Great service from start to finish!
S21 is available exclusively through trained Safety Direct Group technicians.
Each application is professionally applied, tested, and certified for compliance — ensuring your floors not only meet but exceed national slip-resistance standards.
Our experts assess each environment, recommend the right treatment plan, and provide documented test results for full peace of mind.
Shopping centres & retail spaces, Hospitals, aged care, and medical facilities, Industrial warehouses and factories, Commercial kitchens and food production, Educational institutions, Hotels, pools, and leisure centres, Corporate offices and lobbies.
We provide a comprehensive slip-resistance testing before and after treatment using Australian Standards AS/NZS 4586:2013 and AS 4663:2013. We ensure every treated surface meets or exceeds compliance requirements for your specific environment.
Slips and falls are among the most common causes of workplace injury — and one of the most preventable. With NS21, you can dramatically reduce risk, maintain compliance, and protect staff, customers, and visitors — all without costly renovation or downtime.
Ready to make your floors safer without changing how they look?
Book a free on-site assessment or slip-resistance test with Safety Direct Group today.