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Specifiers Journal 2015-2016

Specifiers Journal 2015-2016

Enhancing buildings with

Enhancing buildings with perforated metal sunscreens The aesthetically pleasing perforated metal sunscreens of today are a bold and welcome addition to the appearance of what would otherwise be a dull building. However, there is much more to perforated metal sunscreens than initially meets the eye, explains Andrew Wadbrook-Mclay, Technical Sales Manager at RMIG. Most employees will at some point have experienced the frustrations of working in an environment that is either too hot, too cold, too dark or too bright – and in many cases, productivity and performance are likely to suffer. To combat these issues, architects are increasingly turning to perforated metal sunscreens, which when designed and manufactured effectively can protect those within the building from exposure to heat and intense sunlight. Achieving a balanced climate controlled environment using perforated metal sunscreens can be a surprisingly complicated process. There are in fact a number of important factors to consider, from the pattern of holes and the amount of open area on the metal, to the angle, structure and mechanics of the sunscreen, as well as the actual metal and finish used. Although copper and stainless steel are two popular options, the most commonly used core material for sunscreen panels tends to be aluminium. This is because it is recyclable and relatively easy to attach to a building due to its light weight, whilst it also requires very little upkeep - so once in position, it can enjoy a long and economical life, as opposed to tinted windows, which are not only costly to install but costly to clean. Once the material has been specified, the next consideration is the finish, which affects the lifespan and durability of the panels as well as their aesthetic appeal. For example, with aluminium panels, anodisation is the preferred finishing process because it completely integrates with the metal substrate and creates an impenetrable sunshield – able to resist corrosion whilst maintaining an appealing sheen. In terms of performance however, it is the exact layout, design and diameter of the holes that is the critical element, especially the ‘open space’, which is the area remaining on a metal sheet after the holes have been punched. Sunscreens typically feature an open space of between 20-30 percent, as this ensures the ideal amount of heat and light pass through the panels for the purpose of climate and sunlight control. Although the primary purpose of perforated metal sunscreens is controlling sunlight and the climate within a building, there are additional benefits to their use that often go unseen. Not least, the potential to conserve energy and reduce the building’s environmental footprint. This brings the added bonus of making cost savings as heating and electricity bills decrease, helping to recoup the money initially invested in the perforated metal sunscreen itself. Today’s metal perforated sunscreens achieve much more than an aesthetically pleasing finishing. They deliver a number of other benefits, helping businesses and building operators to more effectively control the climate in working environments as well as recoup the costs of purchase and installation thanks to reduced energy and heating bills. By working with a leading and experienced provider of perforated metal panels, specifying the right panels for the building in question can be a simple process and the choice for the specific requirement can be made. Kirk ThermalWall is a truly remarkable, innovative British designed and manufactured product, with tremendous potential internationally to change the face of town and city landscapes for the better. In addition to new build applications, Kirk ThermalWall can be used to transform tatty rundown looking buildings into attractive thermally efficient modern buildings, for a fraction of the cost involved in total demolition and rebuild. KIRK THERMALWALL - Sustainability and Quality for Building Facades An insulated Kirk ThermalWall granite system was supplied and fixed recently at a prestigious office development at 32 Queens Road, Aberdeen. This project consisted of two contemporary style extensions to a traditional granite property. An un-insulated horizontal rail system was supplied to SGS Group for a project at Peterhead Prison. Dave Divers, Cladding Installation Manager at SGS Group said ‘The system fitted together very well and early delivery of the support system from Kirk ThermalWall, whilst the granite panels were being factory assembled, allowed us to minimise our time on site by having the support system already in place when the granite panels arrived’. A very comprehensive technical manual is available along with an approved CPD presentation to promote the benefits of the system. A key point regarding Kirk ThermalWall, is that the entire support system is British 72 SPECIFICATION JOURNAL 2015-2016 made, meaning either delivery from stock or if to order in 3-4 weeks maximum. Unlike competitor products with support system delivery times of 12-14 weeks from China, Kirk ThermalWall can have contractors on site much sooner carrying out support system installation. Further information about Kirk ThermalWall can be obtained from: Kirk Natural Stone Developments Ltd Tel. 01888 511399 Email: martin@kirknaturalstone.com Web: www.kirknaturalstone.com

KIRK THERMALWALL REVOLUTIONISES BUILDING FACADES Kirk ThermalWall is a revolutionary insulation backed wall facing system (UK Patent Applied: No GB1406364.8), suitable for installation onto a wide variety of building façade types, including both new build and retro-fit applications. By combining a natural stone facing with the highest performing rigid insulation types available, Kirk ThermalWall has created a highly sustainable product which not only improves building energy performance, but also significantly improves building appearance and lifespan at the same time. Kirk ThermalWall represents a revolution in building facing systems on account of its light weight, capability to insulate and re-face buildings in one operation and remarkable ease of installation. The Kirk ThermalWall system is a lightweight, precision made, factory assembled product which is delivered to site for rapid installation using simple clips and rails. The ease of onsite installation means many contractors can carry out the fitting on site producing a significant cost saving on a desirable high quality product. Combining a natural stone facing, with the highest performing rigid insulation materials available, to create a product which is demountable, upgradeable and re-usable, has brought Kirk ThermalWall to the forefront of sustainable building product development. Kirk ThermalWall achieved has the CWCT test standard so can therefore be specified with confidence. 215MM WALL BLOCK 215mm Block Wall BSA Fail System BSA Anchor Clips 50mm Rigid Insulation 50mm Rigid Insulation 20mm Kirk Thermal Wall Panel New build or refurbishment in stone has never been so easy! Kirk ThermalWall Phone: 01888 511399 E Mail: martin@kirknaturalstone.com www.kirknaturalstone.com