58 RCI 0514

RCI May 2014

KNAUF’S COLUMN Each month, Dave Khan, technical marketing manager from Knauf Insulation, will take a different issue or a common insulation application and look at the considerations for choosing the best solution Zink 01992 801927 www.almhm.co.uk It’s very rare to be in a place where you don’t have some background noise, whether it be traffic, aircraft or even neighbours. This noise Dave Khan, Knauf Insulation pollution can be a real nuisance – having an adverse effect on the internal activity and comfort of a building’s occupants. Providing adequate protection will contribute towards the health and wellbeing of occupants, so it is therefore important that noise reduction is considered right from the start of a building’s design and construction. Schools, hospitals, offices, factories and many other types of buildings have very specific acoustic requirements and Building Regulations, planning consents or client’s demands often stipulate what noise levels are acceptable based on the activity and relationship of adjacent areas and buildings. For instance, in an educational building the impact of rain noise has to be taken into account to ensure that the learning environment is not negatively affected by the loud ‘drumming sound’ that can occur during periods of heavy rainfall. Additionally, noise breakout from a building needs to be prevented, especially when the business activity generates high noise levels which can disturb both neighbours and the local neighbourhood. So it is essential to consider the method of construction for the building fabric at an early stage in the design and procurement process, especially when the specified acoustic performance is of equal or greater importance than that of the thermal performance. One commonly used solution is the installation of glass and rock 058 MAY 2014 RCIMAG.COM mineral wool insulation within built-up metal roof and wall systems as it will deliver very high levels of acoustic performance. A typical standard built-up metal system can provide a Sound Reduction Index (SRI) of up to 39 RW dB, compared to approximately 25 RW dB for a typical rigid foam composite roof or wall construction. Specialist acoustic systems usually comprise a glass mineral wool quilt, rock mineral wool slab and a perforated liner sheet that can deliver an SRI of 52 RW dB and beyond. Therefore, even the most demanding acoustic (and thermal) performance requirements can be met by the specification of high performance built-up metal and wall construction systems. www.knaufinsulation.co.uk “It is essential to consider the method of construction for the building fabric at an early stage in the design and procurement process, especially when the specified acoustic performance is of equal or greater importance than that of the thermal performance” Copper Stainless Wider coverage STYROFOAM and XENERGY extruded polystyrene (XPS) insulation products are now available from a wider stockist network, which Dow Building Solutions says offer improved UK-wide coverage for builders and contractors. Distributors now include CCF, Encon, Essex Insulation, Malcolm Insulation, Minster, Panel Systems, the Proctor Group, Radmat, SIG Insulation and Undercover Roofing, while products are also distributed by Corcoran Products, Insulation Distributors and Tennants in Ireland. The manufacturer has made the list available on its website via a stockist finder, which enables those looking for the XPS products to search for branches by postcode or location. Chris Gimson, commercial director for Dow Building Solutions said: “Our distributor network is very important to us, and regularly acts as the interface between us as manufacturers and our customers. “It is important that we continue to offer those customers choice and breadth of UK supply, particularly as we’re beginning to see an upturn in the construction industry.” Dow Building Solutions says it expects new Building Regulations to have an impact on future demand for insulation, as well as changes to Part L of the Building Regulations drawing more attention to the thermal performance of building fabric. The manufacturer says contractors will be looking for tried and tested materials, as well as new innovations. Mr. Gimson said: “Dow Building Solutions has decades of history in the construction industry, which began with the launch of our STYROFOAM extruded polystyrene insulation in the 1940s. “Since then, we’ve also launched FLOORMATE 300-A, specially designed for below-slab insulation to help prevent thermal bridging in residential structures, and XENERGY SL XPS, which is designed to offer highly moistureresistant flat roof insulation at thinner thicknesses.” www.styrofoam.co.uk Global opportunity Lapolla Industries has launched its AirTight division’s Energy Savings Program for multi-family residential properties. Lapolla is a global supplier and manufacturer of spray polyurethane foam insulation, reflective roof coatings, and equipment designed to reduce energy consumption in the residential, industrial and commercial markets for both new construction and retrofit applications. The AirTight division of the Houston-based company has created a proprietary, end-to-end energy savings program that is specifically designed to address multi-family residential properties throughout the United States. The company says this retrofit energy conservation program, conceived and put into place by chairman Richard J. Kurtz, can save landlords approximately 50% in annual energy costs while dramatically reducing the properties’ carbon footprint, increasing the tenants’ comfort, and increasing the overall value of the property. Mr. Kurtz said: “Individually, each element of this program is proven to contribute to energy savings and reducing a building’s environmental footprint. But consolidating each component into an end-to-end retrofit program brings incredible value to the building owners and environment, and we believe this solution will address an enormous untapped demand in the market.” Lapolla’s foam products include spray foam insulation for residential and commercial perimeter walls, crawl spaces and attic space applications. The Company also supplies spray foam and elastomeric coatings for low slope residential and commercial roofing. Lapolla supplies polyurethane as an adhesive for board stock insulation to roofing substrates for commercial and industrial applications as well as sundry items. www.lapolla.com


RCI May 2014
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