MINIMUM RECOMMENDED SPECIFICATIONS EXPLANATIONS

1. Steel Foundation:

: splash zones : 1.2mm grd 316 stainless steel. : acidic areas : 1.2mm grd 316 stainless steel. : all other areas: 1.2mm az150 colorbond steel.

1.2mm steel should constitute the minimum gauge to avoid excessive flexing to the antislip material which can contribute to delamination. This gauge also offers satisfactory resistance to impact and requires less fixing points than thinner guages. For all areas not within splash zones, (sea level plus 5 metres or acidic areas) Colorbond steel offers excellent resistance to corrosion as it has a self repairing zinc/alumina coating both sides of the steel, followed by a primer and finally, baked enamel.

2. Fabric Medium:

: floating on steel foundation & integrated.

If high build resin is applied directly to steel, the initial bond will be adequate, however, the surface will inevitably delaminate through either impact or thermal expansion differentials between the resin and the steel. By utilising a fabric medium floating on the steel foundation, these delamination problems are eliminated, provided that the bonding system is adequate. Once adhered, Vigil Antislip's fabric is rolled onto the steel through a system of pinch rollers, which ensures maximum adhesion. When the first of the key coats of the resin is applied to the fabric, the fabric becomes an integral part of the resin system, dramatically increasing the tensile strength of the system.

3. Resin System:

: all layers hand laminated - not sprayed. : cured at optimum temperature - no oven use. : resistant to solvents, acids & petroleum products. : must not contain any pin-prick holes or bubbles.

The resin system must be resistant to prolonged exposure to most chemicals, particularly solvents. The resin should also be solvent free otherwise standard petroleum products may dissolve the surface over time. All Vigil Antislip products are individually hand laminated and cured in a controlled environment with almost zero humidity and an ambient temperature of 25 degrees Celsius. If the resin is sprayed, uniformity and consistency will not be achieved. If the resin is cured at a temperature greater than 40 degrees Celsius more products can be produced per hour, however, styrene gas is created and will work it's way to the surface. This is very bad for the environment as styrene gas breaks down the earths ozone layer and it also leads to bubbles and a brittle resin system. Pin-prick holes on the surface visible with a magnifying glass indicate styrene bubbles which have worked their way to the surface and burst. Any product with this sign should be rejected.

4. Aggregate :

: silicone carbide (sic)with mohs hardness rating of 9.2 - 9.5.

Different manufacturers have different names for each grade of their antislip material. To ensure that the end user receives the required coarseness of material, the following comparisons of Vigil Antislip grading may be used. Only Silicone Carbide should be acceptable due to it's inherent hardness (9.2 - 9.5 Mohs hardness rating) and non-wearing crystalline structure. Sizes of Vigil Antislip aggregate are as follows: Grade U.S. Grading Microns (average) Barefoot 100 mesh 122 Commercial 46 mesh 356 Lt. Industrial 24 mesh 686 Industrial 20 mesh 940 Offshore 12 mesh/20 mesh matrix 1600/940 Before the final coat of resin is applied to the aggregate, the edges of all Vigil Antislip products are chipped to remove all aggregate and then all edges are sealed with the final pigmented coat of resin. If this is not done, the products edges are often chipped during transportation or installation which leaves bare steel on the edges. To remove the risk from buyers of purchasing inferior quality antislip products, a warranty period of 10 years should apply. It should also be a reasonable warrant; with few exceptions and the promise of replacement of inferior products. Vigil Antislip products are warranted against delamination, chemical attack, wear and corrosion when in normal use for a period of 10 years.

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