derbigum-technical-brochure
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premium products • proven solutions Flat Roofing and Waterproofing Systems Derbigum

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Derbigum Superior Performance Why Should I Consider Derbigum Membranes? Derbigum Membrane Summary Derbigum Installation Method Summary Derbigum Mineral Derbigum GC and Derbigum Anti-Root Derbigum Installation Methods Derbigum Systems Summary Derbigum for Green Roofs Derbigum GC Structural Waterproofing Derbigum Single Layer Derbibrite Cool Roofs Derbigum Project Gallery New Build: Design and Specification I Derbigum Black Design Considerations Design Considerations Application Details Derbigum Accessories Harmer Deck/Paving Supports Refurbishment: Design and Specification I Accessories and...

Alumasc - An Introduction Alumasc Exterior Building Products is part of the Alumasc Group plc. The Group has over 900 employees, generating turnover of around £126 million. The aim is to focus on high quality, environmentally responsible building products within the construction arena in order to deliver first class customer service, long-term solutions and lasting relationships. About Alumasc Alumasc Exterior Building Products (Alumasc) is a leading supplier of premium products and systems for specification, generating an annual turnover in excess of £30 million. The Company has been a...

Quality and Sustainability In addition to complying with environmental legislation, Alumasc is committed to developing its own measures to limit the adverse effects of its activities on the environment. To this end, Alumasc operates an environmental policy that fully integrates all aspects of company activities. Alumasc operates a quality assurance management system which is independently audited to BS EN ISO 9001: 2000. Alumasc extends this quality management to their network of approved installers, for single source accountability and peace of mind. Individual products and systems are...

Derbigum Superior Performance Derbigum has inspired confidence and peace of mind in building surveyors and architects since 1967. Over 600 million square metres have been installed worldwide, including 18 million square metres in the UK, making it the No.1 choice for roof waterproofing. Introduction Derbigum is a range of dual-reinforced, APP (Atactic Polypropylene) modified bitumen, high performance roofing and waterproofing membranes with a life expectancy of 30-35 years according to independent assessment. Enhanced performance properties include flexibility, excellent fire ratings,...

Why Should I Consider Derbigum Membranes? Derbigum membranes offer a number of key benefits and superior performance characteristics to architects, specifiers and contractors. 30-35 Years Life Expectancy Examinations on roof constructions with a Derbigum upper layer were carried out by BDA Dakadvies, on roofs aged between 10 and 27 years old. The assessors said ‘the quality of these old Derbigum roofs is still such that the remaining lifespan will still be several years. This means that the life expectancy can be adjusted from 30 to 35 years.’ In the Derbigum BBA Certificate 86/1593C, the...

Derbigum Membrane Summary Derbigum membranes are suitable for all methods of application, making specification, purchasing and installation simpler for everyone in the building team. Membrane Options Derbigum Black Derbigum Mineral A 4mm Atactic Polypropylene modified roofing membrane with glass fibre reinforced weathering surface and a high tensile polyester core. A 3mm acrylic-faced roofing membrane with a highly reflective white surface that reflects the sun’s rays for ‘cool roof’ applications, as well as being grease and fungus resistant with pH neutral water run-off. Manufactured from...

Derbigum Installation Method Summary Derbigum can be installed using five different methods, to meet varying needs, including speed of application and site safety. Derbigum single layer applications achieve high performance combined with rapid application and economy. Alternatively, Derbigum can be applied as a high performance cap sheet in a built-up roofing system. Installation options Suitable for new build and refurbishment work Flat roofs - below 10º Sloping roofs - over 10º Flame-free application Cold adhesive - no heat Torch Fully bonded by torching Rapido Cold-applied with...

Derbigum Membrane - Derbigum Black A 4mm high performance membrane with unrivalled durability and fire resistance, in natural black. A blend of APP modified bitumen and dual polyester and glass reinforcement The glass fibre reinforced weathering surface provides dimensional stability along with heat and UV resistance The high tensile polyester core ensures resistance to impact and tearing Fire resistance to F.AC to BS 476: Part 3 (ENV 1187/4) Manufacture certified ISO 9001: 2000 and ISO 14001: 2004 Quality and Environmental Management Standards Natural black Can be painted with Derbipaint E...

Derbigum Membrane - Derbigum Mineral A 4mm high performance membrane with a protective mineral finish. A blend of APP modified bitumen and dual polyester and glass reinforcement Additional protective and decorative mineral top coat The high tensile polyester core ensures resistance to impact and tearing Fire resistance to F.AA to BS 476: Part 3 (ENV 1187/4) Manufacture certified ISO 9001: 2000 and ISO 14001: 2004 Quality and Environmental Management Standards Light grey 5 mineral surfaces available