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Cembonit cladding panels
A smooth, through-coloured sheet, manufactured using the autoclave curing process, Cembonit is produced from cement, sand, cellulose, wollastonite and water glass and impregnated with an aqueous, hydrpophobic liquid, which provides the sheets with a water and dirt repellent surface. Cembonit is strong, durable and lightweight. It provides an attractive, cost-effective and maintenance-free Class O cladding panel, ideal for a variety of decorative cladding applications. Applications Cembonit Cladding Panel is suitable for a wide range of external cladding applications such as the following: rainscreen systems
Cembonit Cladding Panel is also suitable for semi-exposed applications such:
Cembonit Cladding Panel can also be used for a variety of internal lining purposes. Authority Class 0 to the Building Regulations BS 476: Part 6: 1981 Fire propagation test for building materials: Warrington Fire Research Centre, UK. Warres No. 38004 30/1/86 – 6 mm Warres No. 38007 30/1/86 – 8 mm BS 476: Part 7: 1987 Class 1 surface spread of flame for building materials: Warrington Fire Research Centre, UK. Warres No. 37957 29/1/86 – 6 mm Warres No. 37960 29/1/86 – 8 mm Technical information
Installation Cembonit Cladding Panels should always be installed using a ventilated construction method, allowing for a 20 mm hollow air gap between the substrate and the back of the panel. Also allow for a minimum 6 mm gap between sheets at both horizontal and vertical joints. All framework must be securely fixed, and provide a true and level surface for the panels. EPT rubber underlaying strips should always be used on the supporting structure, directly under the Cembonit Cladding Panels. Recommended sizes are:
Fixing details Fixings and fastenings The recommended stainless steel fixings for Cembonit Cladding Panels are screws or ring shank nails. For screw fixings, pre-drilled holes 2 mm larger than the screw thickness are required. For nail fixings, a 4 mm diameter hole, pre-drilled by a slow speed drill, is required. Screws – stainless steel
Nails – ring shank 2.5 mm thick
Decoration Painting Cembonit can be painted, if required. However, it is essential that an alkali-resisting primer be applied to both sides of the sheet, along with all edges, prior to painting. Nail and screw heads should be filled and all dust removed from the surface. Two coats of paint usually give a satisfactory finish. The following types of paint are suitable: pva, acrylics, pvc, chlorinated rubber, polyurethane, epoxy and silicate. Health and safety For a health and safety data leaflet concerning the Cembrit product range, please contact the Cembrit technical support department at the address below. Handling and storage Cembonit cladding panels should be stored and handled carefully to avoid damage to face and edges, and they should be placed on a dry, level surface until installation is started. The sheets should be kept either under a roof or well covered, to ensure protection from dirt, moisture and one-sided drying. Handling and working Dust is minimised when the following tools are used: circular saw with dust cover and collector keyhole saw/jigsaw for cutting large holes universal saw for cutting small quantities hole saw for drilling holes for sockets hand-scriber with hard metal point carbide tipped masonry drill. Face masks are recommended when there is no vacuum extractor or when large areas of boards are being cut Technical support For technical support and applications advice, you will always find your supplier anxious to help. If he has no instant answer to your query, you can easily access the technical knowledge of Cembrit’s own technical support staff to answer queries of a more fundamental nature and to advise on the suitability of particular products in specific applications. Tel: 020 8301 8900 Fax: 020 8301 8901 Also in the range of Cembrit high performance building boards and cladding panels: Cemtone
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Cembonit Cladding Panels have been specially designed for external cladding, semi-exposed and internal lining applications.
cladding of ventilated facades
gable, eaves and fascia boards
infill panels
pre-fabricated constructions
High pressure laminate
Lightweight
Heavy duty
Special performance
Multi-purpose
Lightweight ceiling tile
3.2 mm CH panelCembrit Limited, Unit 1A, Foxbridge Way, Normanton Industrial Estate, Normanton, Nr Leeds West Yorkshire WF6 1TN tel 01924 890890 fax 01924 897487sales@cembrit.co.uk |