Blue Diamond 3000 & Blue Diamond 3000 Repro slates are manufactured from a non-asbestos formulation of superior blended synthetic and cellulose fibres and Portland cement.
Blue Diamond 3000 & Blue Diamond 3000 Repro carry a comprehensive warranty guarantee covering both structure and colour. This guarantee is strictly in accordance with the manufacturers' original guarantee. A copy of this original guarantee is available on the website under the guarantee section.
Blue Diamond slates are fully compressed and finished with the highest quality acrylic coating available in the modern world today.
Fixing: Pre-drilled three holes.
Minimum Rafter Pitch = 20 degrees. Laid to 100 mm Lap.
Density : 1700kg/m3 average when tested to BS 4625; section 14.
Frost Test: 100 freeze/thaw cycles in accordance with BS EN 492; 1994.
Tolerances: BS EN 492; 1994. Length or Width = +-3.00mm. Thickness +1.00mm/-0.4mm
Fire Ratings: Fire BS 476 Part 4 fibre cement slates are non-combustible.