Diamond
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Roof Slate Diamond fibre cement slate

Diamond slate The Cembrit group have been manufacturing and developing fibre cement products, including slates for over 80 years. Cembrit prides itself on manufacturing fibre cement slates which achieve the highest approvals from local, national and international agencies in the fields of product quality and sustainability. Cembrit fibre cement slates are complemented by a range of fibre cement ridges, details of which are available in the Roof Slate Accessories brochure. Cembrit slates and ridges can be found on all types of roofs across the British Isles. Information on the complete...

Composition Reminiscent of the original ‘red diamond’ slates first used in the first half of the 20th century their attractive ‘retro’ effect is particularly suited to re-roofing of properties from that era and for buildings in a rural setting. The cost-effective single lap format lends itself to simple duo-pitch roofs with no projections. It is manufactured to the highest European standards and is light-weight, pre-holed, suitable for all types of projects, easy to handle and install. Diamond slates are manufactured using Portland cement together with a non-asbestos formulation of superior...

Batten Average Gauge weight Table 1 Moderate exposure less than 56.5 l/m2 per spell - In general, the recommendations below apply to rafter lengths of not more than 9m. The specifier should also take account of any abnormal local conditions that might apply. Minimum Slate Side lap Slates Pitch size Fixing Setting out 1 The slates should be laid withthe upper point to the upper edge of the batten and with spacing of 3mm. Where disc rivets are placed from row to row the slates are displaced 14 width. 2 Place the slate over the disc rivet and fasten it with a slate nail in each...

Diamond slates must be laid in accordance with the Code of Practice for Slating and Tiling, BS 5534: 2003, and the Code of Practice for Workmanship on Building Sites – Slating and Tiling, BS 8000: Part 6:1990. The roof structure should be checked to ensure that it is to a true line and squareness tolerance, and set out to ensure that: • the minimum cutting of slates is necessary. • the long edges of the slates are parallel to the direction at which the water will run off the roof. In some instances this may result in raking cuts to all the eaves and the ridges. • the horizontal lines of the...

The information contained in this publication and otherwise supplied to users of the company’s products is based on the company’s general experience, best knowledge and belief. However, because of factors beyond the company’s knowledge and control, which can affect the use of the products, no warranty is given or implied with respect to such information. The company’s policy is one of continuous improvement. Cembrit Limited therefore reserves the right to alter specifications at any time and without notice. As with all manufactured materials, colours and textures of slate may vary according...