Introduction 3 Handling, delivery and storage 4 Installing blockwork 6 Installing building beam and block floors 10 Installing Durox System 12 External finishes 16 Internal finishes 18 Fixings 21 Health and safety 23 Technical services 27 Contact 28

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The UK’s top block solution

Tarmac Topblock is the UK’sleading manufacturer of concrete blocks furniture with specifications to match the most demanding of building requirements. With a unique product range including aircrete, dense and lightweight aggregate modern blocks, Tarmac Topblock is able to offer a product for every application from an extensive network of production facilities.At Tarmac Topblock we arecommitted to meeting our customers’ requirements through: • A programme of continuousresearch and development, resulting in a product range that is constantly updated to reflect the changing demands of the building industry • Strategically located sales officesserving local, regional and national customers, supported by an experienced field sales team• Dedicated technical servicesproviding advice on applications and the suitability of Tarmac Topblock products to specifiers and housebuilders • Maintaining a high standard ofenvironmental, quality, and health and safety performance, through the adoption of management systems meeting recognised international standards• Continued investment in blockmanufacturing capability. 2

www.topblock.co.uk