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External Wall Insulation & Render Systems
External Wall Insulation & Render Systems
Alumasc Exterior Building Products, part of the Alumasc Group plc, specializes in high-quality, environmentally responsible building products. The company is committed to quality and sustainability, offering premium products and systems for the construction industry.
Alumasc is accredited with ISO 14001:2004 for environmental management and ISO 9001:2008 for quality management. The company focuses on sustainable building products and practices to minimize environmental impact.
The Swisslab and Swisspan systems are designed for refurbishing buildings with solid wall construction or problematic substrates. Swisslab is suitable for buildings up to six storeys, while Swisspan is recommended for structures with limited mechanical fixing positions.
External Wall Insulation (EWI) systems protect building structures, reduce heat loss, eliminate thermal bridging, and transform building appearances. They are low maintenance and have a proven track record in both newbuild and refurbishment sectors.
The Swisslab and Swisspan systems offer various insulation options, including Phenolic, PIR, Mineral Wool, EPS, and Cork. They can be finished with polymer-modified, silicone, or mineral renders, providing a range of aesthetic choices.
Alumasc provides comprehensive technical support and a network of approved contractors to ensure correct installation and long-term performance of their systems.
- M.R. Rendabrick: A polymer-cement render simulating brickwork, suitable for Swisslab and Swisspan systems, available in Terracotta and Buff with customizable mortar joint colors.
- Traditional Brickslips: Offers a brick effect where real bricks are not viable, compatible with Swisslab and Swisspan systems.
- ST Silicone and Mineral Renders: Available in various textures and colors, suitable for both refurbishment and new build applications, offering high performance and eco-friendly options.
- Incorporating Alumasc early in the design process ensures consideration of location, budget, and system components.
- Substructure and insulation choices affect movement joints, thermal performance, and detailing decisions.
- Render and color choices are influenced by aesthetics, performance, and maintenance needs.
- Insulation Materials: Phenolic, PIR, EPS, Wool, and Cork are compared based on thermal conductivity, fire performance, emissions, recyclability, impact resistance, and cost.
- Render Finishes: Polymer, Silicone, Mineral, Sand, and Cement binders are evaluated for adhesion, water repellency, vapor permeability, crack resistance, weather protection, durability, and algae resistance.
- Alumasc offers comprehensive technical support, including thermal and wind load calculations, CAD drawings, and performance assessments.
- Warranties are available for 10 to 20 years, contingent on installation by approved contractors and adherence to maintenance schedules.
- Designed for refurbishment, suitable for buildings up to 6 storeys, with high resistance to impact and weather, improving thermal efficiency and reducing heating costs.
- Offers a choice of insulation materials and render finishes, installed by approved contractors with minimal maintenance required.
- Used for overcladding buildings with problematic mechanical fixing or uneven substrates, utilizing galvanised steel support rails.
Applications: The Swisspan system is designed for building refurbishments where continuous support for insulation is not available. It is ideal for problematic substrates and uneven surfaces, and can be used on buildings up to four storeys.
Performance: The system is BBA approved with a life expectancy of over 30 years. It is manufactured under ISO 9001 and ISO 14001 standards, ensuring quality and environmental management. The system is weather-resistant, vapour permeable, and improves thermal efficiency by allowing the building fabric to act as a heat store. It also enhances the building's appearance, eliminates cold bridging, and reduces heating costs and carbon emissions.
Insulation and Finishes: Various insulation thicknesses and materials are available, achieving low U-values. Insulation is mechanically fixed to a continuous substrate, with options for polymer modified and thin-coat render finishes.
Installation and Maintenance: The system is installed by approved contractors and requires minimal maintenance.
The system is suitable for overcladding existing properties with restricted mechanical fixing options. Insulation materials are fixed to a galvanised steel rail system and faced with a choice of renders and coatings. It is approved by the BBA and covered by Certificate No 97/3410.
The document provides detailed diagrams and descriptions of the Swisspan system's application, including base detail, corner angle detail, window jamb detail, and expansion joint detail.
Fixing recommendations are subject to site-specific tests. The system is suitable for applications up to four storeys, with specific guidelines for corner zones based on building dimensions.
Examples of projects using Alumasc's systems, including Swisspan and Swisslab, are provided, showcasing their application in various refurbishment projects.
A high-performance, BBA certified render available in seven colours and various aggregate finishes. It is suitable for single coat applications and compatible with several external wall insulation systems.
A two-coat system ideal for large elevations and feature bands. It is BBA approved and compatible with Swisslab and Swisspan systems.
A high-performance coating available in 18 standard colours, suitable for various substrates and as a finish for M.R. S4 render applications.
A polymer cement render that simulates brickwork, applied in three coats to existing masonry.
- Applications: Applied in three coats to existing masonry, providing a simulated brick finish compatible with Swisslab and Swisspan External Wall Insulation Systems.
- Performance: Durable, lightweight, resistant to cracking, crazing, and impact damage, and fully weather resistant while remaining vapour permeable.
- Colour Options: Available in Terracotta and Buff with two mortar coat colour options.
- Installation & Maintenance: Installed by approved contractors with minimal maintenance required.
- Applications: Suitable for most substrates in low-rise applications, compatible with Swisslab and Swisspan systems.
- Performance: Durable, quick to install, weather and corrosion resistant, and highly resistant to impact damage.
- Colour Options: Offers a range of standard UK brick colours and textures.
- Installation & Maintenance: Uses a preformed template mesh for quick installation by approved contractors, requiring minimal maintenance.
- Applications: Used for new builds and remodelling, suitable for direct application to solid walls and as part of an insulated render system.
- Performance: Weather resistant, vapour permeable, UV stable, and resistant to impact damage.
- Textures: Available in various finishes with different grain sizes for texturing.
- Installation & Maintenance: Installed by approved contractors with minimal maintenance required.
- Applications: Suitable for new builds and remodelling, compatible with various insulation systems.
- Performance: Weather resistant, vapour permeable, durable, and made from natural materials.
- Textures and Colours: Available in rolled textures with different grain sizes, base colour is white.
- Installation & Maintenance: Installed by approved contractors with minimal maintenance required.
- Applications: Used with ST Mineral Render and other substrates, applied in two coats.
- Performance: Provides a watertight, vapour permeable finish with high weather resistance.
- Colour Options: Available in a wide range of colours with a matt finish.
- Technical Support: Offers comprehensive data, design support, and project-specific advice.
- Approved Contractors: Installation by trained contractors with warranties available for up to 20 years.
Alumasc offers up to 20 years of insurance-backed cover for facades projects, contingent on an independent final inspection, adherence to a maintenance schedule, and pre-payment of the premium. Warranties are only available for projects installed by an Alumasc Approved Contractor according to the project specification and Alumasc Quality Assurance scheme.
The Swisslab system requires a sound substrate and thorough preparation of surfaces. Key steps include applying fungicidal wash, fixing base beads with hammer-set screws, and securing insulation boards with approved fixings. Expansion joints and reinforcement with scrim adhesive are essential for stability.
Similar to Swisslab, Swisspan installation involves fixing steel rails and insulation boards in a staggered pattern. The procedure continues with steps similar to Swisslab for reinforcement and rendering.
Regular maintenance of gutters, downpipes, and movement joints is crucial. Silicone sealants should be inspected periodically. In case of fire damage, a hydrochloric acid solution can be used for cleaning. Overgrown plants should be managed to prevent mildew growth. Alumasc systems are low maintenance and resistant to impact damage, with easy repair options available.
Various insulation materials are available, including phenolic, polyisocyanurate, mineral wool, and cork, each with specific thermal and fire performance characteristics. Reinforcement involves using alkali-resistant glassfibre mesh. Renders and coatings include M.R. S7 Dashing Render, M.R. S4 Plain Render, and M.R. S6 Masonry Paint, each designed for specific applications and finishes.
The document provides detailed information on Alumasc's range of building exterior products, focusing on insulated render systems, rainwater systems, drainage solutions, waterproofing, and facades. It highlights the technical specifications, applications, and performance of these systems, emphasizing their suitability for new build and restoration projects.
Alumasc offers insulated render systems such as Swistherm and Swisrail, designed for direct application to solid walls or framed buildings. These systems are BBA approved, weather-resistant, and enhance thermal performance by eliminating cold bridging and condensation. They are suitable for buildings up to six storeys and high-rise applications, subject to specific policies.
Alumasc provides a comprehensive range of aluminium and cast iron rainwater systems, suitable for both contemporary and traditional architecture. These systems include gutters, downpipes, fascias, and soffits, with bespoke designs available for historic sites.
The Harmer brand offers market-leading solutions for rainwater handling and building drainage, including roof, floor, and shower drains, as well as cast iron soil and waste systems. Specialist rainwater management systems and paving supports are also available.
Alumasc specializes in waterproofing solutions, offering products like Derbigum flat roof membranes and Firestone TPO and EPDM single ply membranes. Their green roof systems include extensive, biodiverse, semi-intensive, and intensive options.
Alumasc provides technical expertise and project support, with a network of approved installers and warranty options. All products are manufactured to ISO 9001 and ISO 14001 standards, ensuring quality and environmental compliance.
For further details, customers can contact Alumasc Exterior Building Products Ltd via phone or visit their website.
Catalog excerpts
premium products • proven solutions External Wall Insulation & Render Systems Refurbishment ‐ Swisslab and Swisspan
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Maintaining a Flow of Information www.alumascfacades.co.uk The Alumasc Facades website provides a wealth of information on all aspects of External Wall Insulation, Render systems and compatible products. Also included are FAQs, file downloads for NBS specification clauses, COSHH information, a CAD library, colour selector and much more. Technical Support Alumasc Facade Systems are backed‐up by comprehensive technical literature and by hands on project support starting with technical and design advice, and extending through site installation to recommendation of appropriate maintenance regimes....
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External Wall Insulation for Refurbishment Benefits of External Wall Insulation The Alumasc Facades Product Selector ■ Alumasc Technical Support Services ■ Swisslab External Wall Insulation ■ Swisspan External Wall Insulation Facades Project Gallery Renders, Claddings and Coatings ■ M. R. S7 Polymer Dash Render M. R. S4 Polymer Plain Render Alumasc Traditional Brick Slips Silicone Facade Paint Technical Support and Approved Installers 48 Swisslab - Installation and Fixing 50 Swisspan - Installation and Fixing 52 Alumasc Premium Products - All Brands 56 Alumasc Project Gallery - All Brands 57...
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Alumasc Exterior Building Products is part of the Alumasc Group plc. The Group has over 800 employees, generating turnover of around £93 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 major force in the UK construction...
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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 management system which is independently audited to BS EN ISO 9001: 2008. Alumasc extends this quality management to its network of approved installers, for single source accountability and peace of mind. Alumasc actively pursues sustainability in the full range of products and systems...
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External Wall Insulation for Refurbishment Alumasc External Wall Insulation systems are suitable Solid Wall Construction for refurbishment and upgrading applications where the In circumstances where the structure provides continuous support the Swisslab system is the ideal overcladding solution. The system is suitable for unrestricted use on buildings up to six storeys and for high rise applications, subject to Alumasc’s high rise policy. Insulation materials are mechanically fixed direct to a continuous substrate and are faced with M.R. Polymer modified renders for a traditional appearance,...
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Benefits of External Wall Insulation Why Should I Consider External Wall Insulation? Protects the structure An External Wall Insulation system provides a weatherproof jacket to protect the fabric of the building from the elements, keeping it warm and prolonging its life. Reduces heat loss Placing insulation on the outside of the building structure is the most effective way of insulating a building – the ‘tea cosy’ effect. With EWI, the thickness of insulation is not restricted by cavity width, nor does it reduce internal room sizes. Alumasc Swisslab System No thermal bridging External Wall Insulation...
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The Alumasc Facades Product Selector Alumasc External Wall Insulation systems, Render Finishes and Decorative Coatings can be selected via a number of routes – be it by construction type, specification requirements or individual product or system. The information on these pages can be read in conjunction with the use of the Facades product selection tools available on our website. External Wall Insulation Systems Swisslab Traditional EWI System Application For overcladding existing properties. Used where the structure can provide continuous support for the insulation Fixing Method Direct adhesive/mechanical...
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The Alumasc Facades Product Selector Swisslab and Swisspan External Wall Insulation systems can be finished with a wide choice of decorative renders and coatings. Traditional polymer‐modified cement plain and dashing renders are extensively used in social housing refurbishment, whilst modern thin‐coat mineral and silicone renders create sophisticated contemporary finishes. Traditional Render Systems & Decorative Coatings Polymer-modified Renders Appearance Traditional plain or dashed finish Application As a finish for the Swisslab and Swisspan External Wall Insulation systems Render Only Suitable...
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The Alumasc Facades Product Selector Traditional Specialist Facade Systems M.R. Rendabrick Appearance A specially‐formulated polymer‐cement render that simulates the appearance of brickwork Application As a finish for the Swisslab and Swisspan External Wall Insulation systems Render Only Suitable for direct application to brick and blockwork, and most sound substrates Finish Brick effects are available in Terracotta and Buff, with two mortar joint colour options. Colour matching is available on request Buff Finishing Coat - Grey Mortar Terracotta Finishing Coat - Black Mortar Traditional Brickslips...
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The Alumasc Facades Product Selector The ST range of thin‐coat Silicone and Mineral renders provides a contemporary finish that is suitable for remodelling existing facades and new build projects alike. Eco‐friendly Mineral renders are manufactured from natural materials, whilst the Silicone render range offers unparalleled performance. Contemporary Render Systems & Decorative Coatings Silicone and Mineral Renders Appearance Available in a choice of textures and a wide range of through colours Application ST Silicone and Mineral renders are compatible with the Swisslab and Swisspan External Wall...
Open the catalog to page 11All Alumasc Exterior Building Products catalogs and technical brochures
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