| Nulok Heather Slate | Nulok Black Slate | Nulok Grey Slate |
|---|---|---|
| Heather colour Fine upper surface texture and a distinctive dressed edge 400 x 300 x 6/8mm thick 50 Year Guarantee | Charcoal-Black colour Hard coarse textured upper surface with a dressed edge offering a rustic natural appearance 400 x 400 x 6/8mm thick 400 x 300 x 6/8mm thick 50 Year Guarantee | Heritage Grey colour Hard coarse textured upper surface with a dressed edge offering a rustic natural appearance 400 x 400 x 6/8mm thick 400 x 300 x 6/8mm thick 50 Year Guarantee |
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Nulok Roofing System Technical Date and Certifications
The Nukok Roofing System offers a straightforward, efficient method of installing both Natural Slate and Nulok Ceramic Tiles. This incredibly robust system incorporates Zincalume Battens spaced at 307mm. Locked in place between the battens are Nulok Link Channels, each possessing a stainless steel clip used for securing the leading edge of each slate. This Link Channel eliminates the need for side double-lapping of slates because water passing through the slate is routed by the Link Channel onto the surface of the slate below.
Tests Performed on Nulok Ceramic Slate Tiles
Tests performed by CREAM Building Technology Laboratory (UK)
BS EN 538 1994 – Flexural Strength Test
BS EN 539 1994 – Physical Characteristic Impermeability Test
BS EN 539/2 1998 – Frost Resistance Test
BS EN 1024 1997 Geometric Test
BS EN 1304 1998 Product Definition and Specification Test
Test performed by Turin Polytechnic (Italy) Dept of Geological Resources and Territory
Water Absorption
Resistance to indirect traction by means of bending
Resistance to indirect traction by means of bending after freezing
Resistance to alterations caused by weather
External Fire Exposure
BS 476: Part 3 1958
Simulated Static and Cyclic Wind Uplift Test
Passed Wind Classification upto and including C2 (cyclonic wind test).
Test performed on Nulok Fixing System
AS 2050 1989 Weather Effectiveness of Roofing System Structural
Upwards to ultimate
Upwards to serviceability
Downwards to ultimate
Downwards to serviceability
Florida Building Code Test Protocol TAS100-95 – test procedure for wind and wind driven rain resistance of discontinuous roof systems.
| Based on overlap of 100mm | 400 x 400mm Slate | 400 x 300mm Slate | 400 x 250mm Slate |
| Slates per m2 | 8.33 | 11.1 | 13.3 |
| No. of Link Channels per m2 | 8.5 | 11.5 | 13.5 |
| Slate/Tile Clips | 8.5 | 11.5 | 13.5 |
| Battern Centres | 307 ± 7mm | 307 ± 7mm | 307 ± 7mm |