Non-Slip Steel Protective Coating – Vitreflon 790
Rokeby Pierce of Pierce Metal Cladding Repairs shows he has what it takes to achieve an even, non-slip finish using high performance fluoropolymer coatings and non-slip grit.
This month, Kingspan approached Rokeby with the challenge who took it to task with zest!
These custom designed checker plate shipping container ramps needed to be finished to “Kingspan Blue” using a protective coating system to prevent rust and corrosion. A non-slip finish was also required for added safety to pedestrian traffic.
A&I Coatings submitted a product specification (Spec 3301) for Rokeby to follow. As the ramps will be used in a corrosive environment on the coast, a three coat system was specified for durability.
Rokeby undertook extensive prep work to ensure all loose dirt and flash rust was removed from the steel by wire brush grinding and blasting. Once complete a coat of Vitreset 580 epoxy anti-corrosive primer was applied to a film thickness of 100 microns.
On the same day Rokeby applied a second coat to 100 microns again and evenly broadcast aluminium oxide (non-slip grit) into the wet coat. A&I Coatings have 3 different aluminium oxide grit sizes – #46 grit (very coarse), #60 (medium) and #90 (fine). Grit sizes are determined based on the slip resistance required, and the film thickness of the coating the applicator chooses to broadcast into.
Once the primer coat cured, all loose grit was brushed off the substrate in preparation for the topcoat.
Vitreflon 790 is a relatively new fluoropolymer coating derived from the original Vitreflon 700 and formulated to a higher volume solids and higher build. The higher build made the coating an easier application, and suited the demands of spray painters applying onsite and at steel blast yards. Higher viscosity enables V790 to be applied by brush, spray and roller, and to be very forgiving when applied heavily.
Rokeby proceeded with applying V790 at a very high dry film thickness of 100 microns (50 microns per coat).
Increasing the film thickness obviously increases the systems longevity and durability.