Enhancing the Redland range

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3 Enhancing the Redland range By adding these two top quality natural slates to our existing range of clay and concrete tiles, metal roofing and resin slates, we can offer the specifier a broader choice of roofing materials. Introduction As with all products in the Redland range, the Redland Del Carmen and Redland Riverstone slates are complemented by a full range of roofing fittings and accessories. Both slates are covered by our unique Redland 15 Year Roof System Guarantee when fitted in conjunction with Redland fittings and accessories. SSQ Group Redland Del Carmen and Redland Riverstone are sold by Redland through a partnership agreement with slate specialists SSQ Group. SSQ was first established in 1983 as a pioneer importer of Spanish Slate to the UK. Since then, SSQ has grown to become one of the world s leading producers and suppliers of natural slate roofing and architectural products. SSQ is one of the top suppliers in Europe and is dedicated to supplying only proven quality slates. SSQ operates in close cooperation with all its partner quarries to maintain a steady, reliable supply of the highest quality slate. This strong presence at source is what gives SSQ the leading edge as a supplier of natural slate. SSQ s strong presence at source enables stringent quality control procedures at every stage of the process from extraction through to delivery. SSQ s partner quarry in north-western Spain produces the high quality Del Carmen slate and SSQ are partners in the San Luis Slate quarry in Argentina, which produces Riverstone. Riverstone and Del Carmen are registered trademarks of SSQ Holdings Limited. 1

4 Peace of Mind Quality control Both Redland Ultra Del Carmen and Redland Ultra Riverstone undergo strict quality controls at every stage of their journey to their final destination. SSQ s on-site quality control procedures and excellent partnerships with the quarries enable all slate to be traceable to source, so helping to ensure that quality is kept at a high standard from the quarry to the roof. Each pallet that leaves a quarry is subject to inspection and certification. Accepted pallets are issued with a quality control certificate, which remains with the pallet right through to its final destination, enabling everyone to see it along the way. All consignments are checked to ensure the dimensions and composition of any given product properly match its specification. 2

5 British Standards and CE Marking If a company wishes to manufacture, import or sell a product within the EU, and this product falls within the scope of one or more of the Construction Products Directives, then the product must carry a CE mark. BS EN :2004 is the harmonised EU standard relevant to Natural Roofing Slate. All slates irrespective of their origin should be tested to the criteria laid down in this standard and thus have a set of test results and must carry the CE mark. UK Building Regulations have been modified to ensure that only CE marked products are used in Quality Checklist The test results themselves (printed on the pallet label) are the key to judging the quality of a slate and, as you would expect from Lafarge, both Redland Del Carmen and Redland Riverstone are characterised by high performance properties. Both slates are classified as Ultra, which is the top grade from each quarry. Del Carmen Riverstone Flexural Strength > 64Mpa Water Absorption < 0.3%, generally the lower the better No potential for oxidation (T1) Carbonate Content < 3%, generally the lower the better Resistant to pollution (S1) Proven satisfactory history of performance in the UK cases where a directive exists. Local Authority Building Control departments enforce these regulations. Purchasers and installers of Natural Roofing Slate can check whether the slates have been tested to BS EN by looking for the CE marking on any labels on the packaging and or any documentation accompanying the slates, such as delivery notes, advice notes or invoices. BS EN does not indicate the quality of a slate just a standardised and harmonised method of testing. Peace of mind with long-lasting, weatherproof protection Like all products from the Redland range, our natural slates and their matching accessories have been tested under storm and driving rain conditions at our unique wind tunnel facility. A roof covered with Redland Ultra Del Carmen or Redland Ultra Riverstone slates, fitted as per our instructions with Redland range accessories, will be covered by the comprehensive Redland 15 Year Roof System Guarantee. Both slates are also covered by a written product guarantee. 3Peace of Mind

6 Ultra Del Carmen Ultra Del Carmen Del Carmen is a traditional riven slate with a distinctive texture, noted for its longitudinal grain. The blue/black colouring is totally natural and will not fade, even in the strongest sunlight. This slate is quarried in the Cabrera Mountains in north-western Spain from uninterrupted seams of high quality slate, using a combination of the latest extraction technology and age-old practices such as splitting slates by hand. Del Carmen comes in a choice of two thicknesses and in a variety of sizes to suit most traditional slate requirements. Installation All slates must be sorted into a minimum of three thicknesses prior to laying. Installation should conform to BS 5534:2003 Testing Samples of Redland Del Carmen have been tested in accordance with, and comply with, the relevant sections of: BS EN :2004 American Standard ASTM Pass, S1 Test certificates are available on request. Performance Fire The slate is non-combustible. Optical The colour of Del Carmen slate is totally natural and devoid of artificial pigments. It does not fade in sunlight. Technical Data Grade Ultra Thickness Standard 5-6mm Size 500 x 250mm Minimum Pitch (moderate exposure) # 25 Holing Gauge 195 Cover Covering capacity at 80mm headlap* 18.8 slates/m 2 Weight (approx) single slate 1.9kg per m 2 at 80mm headlap 35.7kg Number of Slates/Pallet (average) 740 # For high exposure pitch requirements and maximum rafter lengths please contact Technical Solutions. * Headlap will vary dependent on pitch and slate size at the standard holing gauge. Please contact Technical Solutions. Climate Del Carmen slate is non-porous and its very low coefficient of expansion means that it is unaffected by changes in temperature. Chemical and biological The slate is stable with no adverse reaction in polluted environments (e.g. acid rain). 4

7 Apartments and retail development, Thames Edge, Staines 5Ultra Del Carmen

8 Ultra Riverstone Ultra Riverstone Riverstone has a distinctive grey/green colour and a dressed edge finish. The colouring is completely natural and will not fade, even when exposed to the harshest environments. Riverstone is mined from the long-established San Luis quarry in central Argentina s La Florida region using the latest extraction techniques. Equally suitable for the refurbishment of old buildings or new build projects; its grey/green colour makes Riverstone an ideal replacement for the indigenous slate of the South West and Wales. Installation All slates must be sorted into a minimum of three thicknesses prior to laying. Installation should conform to BS 5534:2003 Apartments, Budleigh Salterton, Devon 6

9 Technical Data Grade Ultra Thickness Standard 4-7mm Size 400 x 250mm Minimum Pitch (moderate exposure) # 30 Holing Gauge 152mm Cover Covering capacity at 80mm headlap* 24.7 slates/m 2 Weight (approx) single slate 1.5kg per m 2 at 80mm headlap 37.1kg Number of Slates/Pallet (average) 680 # For high exposure pitch requirements and maximum rafter lengths pllease contact Technical Solutions. * Headlap will vary dependent on pitch and slate size at the standard holing gauge. Please contact Technical Solutions. Testing Samples of Riverstone have been tested in accordance with, and comply with, the relevant sections of: BS EN :2004 American Standard ASTM Pass, S1 Test certificates are available on request. Performance Fire The slate is non-combustible. Optical The colour of Riverstone slate is totally natural and devoid of artificial pigments. It does not fade in sunlight. Climate Riverstone slate is non-porous and its very low coefficient of expansion means that it is unaffected by changes in temperature. Chemical and biological The slate is stable with no adverse reaction in polluted environments (e.g. acid rain). 7Ultra Riverstone

10 Complete Roof System Complete Roof System Photovoltaic Range The PV 80 Solar Power System converts energy from the sun directly into electrical current. It is the first modular integrated universal PV system in the UK and can be incorporated with virtually all manufacturers tiles and slates including Redland natural slate. For more information about this product and our other PV systems visit or contact our Customer Service Hotline on Underlay Spirtech 250 underlay is a high quality, quadruple layer vapour permeable underlay. It provides exceptional strength and durability with excellent vapour transmission properties. Total length 50m, Width 1.5m. Contact our Technical Solutions Hotline on +44 (0) for ventilation solutions. Verge Systems Natural Slate Dry Verge is a quick and easy to fix verge system that is suitable for use with all slates up to 8mm thick. Abutment System Top Edge Abutment Ventilation System* provides a continuous, unobtrusive ventilation path from the roof void to the outside. The innovative design enables the system and leadwork to be installed far quicker than when traditional methods are used. Hip & Ridge Systems Dry Ridge, Dry Monoridge, Dry Hip, Rapid Ridge* & Rapid Hip are mechanically fixed and have exceptional resistance to wind uplift. Both systems are quick to install and, requiring no mortar, they remove concerns about mortar failure. Valley Systems GRP Valley is a cost-effective alternative to lead. It offers a combination of exceptional ease of fixing with an extremely durable and lightweight design and does not require any mortar in its fixing. Ventilation Slates Slate ThruVent A ventilating slate to suit 600mm x 300mm and 500mm x 250mm double lap slates on roofs with a pitch of The integral down pipe also allows the Small Slate Vent to be used for soil ventilation or mechanical extraction when used with a 75/100mm flexible pipe, in addition to roof space ventilation at high or low level. Hi-Flow Slate Vent A ventilating slate to suit 600mm x 300mm and 500mm x 250mm double lap slates on roofs with a pitch of over 20. The slate vent can be used for roof space ventilation at high or low level and for mechanical extraction. For soil ventilation please contact our Technical Solutions Hotline on +44 (0) Other Accessories Fixings A full range of matching nails completes the natural slate roof system. * When using Rapid Vented Ridge or Top Edge Abutment Ventilation System additional fixings are required. Contact our Technical Solutions Hotline on +44 (0) for details. 8

11 Time saving, flexibility, peace of mind Redland has developed a comprehensive range of FREE technical services that will save you time and give you peace of mind that your project is in safe hands Still working on that CAD drawing? Technical Solutions DesignMaster A comprehensive CAD library of over 5,000 quality roofing drawings Saves time preparing working drawings Prevents risk of incorrect application Drawings available in both DWG and DXF formats Each drawing includes a complementary NBS-based specification clause Available for download at Weighed down with specification detail? SpecMaster A complete guaranteed roof specification service Relieves the burden of the specification writing process Tailored specification clauses in NBS-based format Fully compliant with all relevant British Standards 15 year design liability guaranteed for all roofs designed and built in accordance with SpecMaster Suitable for both new build and re-roofing projects Provides peace of mind for you and your clients To obtain a SpecMaster: complete an online data sheet at or contact the Technical Solutions Hotline Confident with your fixing specification? FixMaster An advanced fixing specification service tailored to individual roof designs Removes the potential for roof failure Provides the most cost-effective fixing specification for tiles and battens that complies with British Standards Full assessment of the impact of all nearby man-made and natural topographical features To obtain a FixMaster complete an online data sheet at or contact the Technical Solutions Hotline Need help with those tricky calculations? QuantMaster A roof component quantity estimating service Quantifies all roof components as well as associated materials such as tiling battens and leadwork Eliminates potential costs of overordering or downtime resulting from under ordering To obtain a QuantMaster send your drawings to Technical Solutions For further information on Technical Solutions: Technical Solutions Hotline technical.redland@monier.com Technical Solutions, Monier Ltd, Broadway Lane, South Cerney, Cirencester, Gloucestershire GL7 5UH 9

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