INSULATION 49
more than domestic and light commercial applications.
Extruded polystyrene (XPS) is an increasingly popular insulation option for specifiers seeking a material that can be used in demanding conditions and applications, and still deliver good thermal performance. XPS insulation is not only thermally-efficient, easy to install and lightweight, but moisture tolerant too. With a moisture absorption as low as
0.6 per cent by volume, XPS products can be installed below the DPM, and in conditions where moisture is present, such as below damp proof course (DPC) level, or against the ground and to the external side of tanking membranes – all with negligible impact on the performance of the product. Sustainability is of course an important
factor, so housebuilders and developers should look for XPS insulation produced using a blowing agent with zero ozone depletion potential (ODP) and low global warming potential (GWP), and manufactured in a factory with an ISO 14001-accredited environmental management system. Products should also comply with BES 6001 sustainable sourcing and offer Environmental Product Declarations (EPDs). It’s not hard to see why confusion can arise regarding insulation specification and
installation. However, a greater awareness and understanding of insulation products can significantly reduce risks onsite and make installation easier. It’s important to value the thermal and loadbearing performance of materials over how much they cost, to ensure ground floor
New ultra-thin A2 aerogel insulation
The A. Proctor Group, renowned for providing high-quality membrane solutions for controlling the heat, air and moisture movement in buildings (HAMM), has launched a new vapour permeable insulation, which offers superior thermal performance and fire protection behind cladding. Spacetherm® Slentex A2 is the result of
extensive research and development to produce a vapour permeable insulation with an A2 fire rating classification. The new insulation is classi- fied as Class A2, s1 –d0 according to the Euroclass system, which classifies the reaction to fire performance of building products. Spacetherm Slentex A2 is a flexible, high-performance, silica aerogel-based insulation material of limited combustibility suitable for use in exterior and interior applications.
01250 872261
www.proctorgroup.com
construction performs as expected. And, if a product substitution can’t be avoided, make sure the same material type is used with an equivalent performance.
Rob Firman is technical and specification manager at Polyfoam XPS
Passivhaus estate constructed with Kingspan
The Kingspan TEK Building System is providing a precise offsite building solution for one of the country’s largest Passivhaus developments in Bowthorpe, Norwich. After reviewing the market offering to achieve the demanding
fabric requirements of the Passivhaus Standard, it was concluded that the Kingspan TEK Building System was the best solution for the project on the basis of technical specification and value offered. Kingspan TEK Building System panels can achieve U-values of 0.20 – 0.17 W/m2.K, or better ‘out of the box’. With the addition of an additional layer of insulation, the site team were able to further improve the thermal performance of the external walls – achieving a final external wall U-value as low as 0.09 W/m2.K.
01544 387 384
www.kingspantek.co.uk High performance XPS and EPS insulation ideal for domestic floor
Sundolitt’s XPS and EPS insulation is ideal for all domestic floor applications, offering a comprehensive range of sizes and specifications. Sundolitt EPS Flooring is BBA-approved, offers high thermal performance and is moisture resistance. A highly versatile material, Sundolitt EPS satisfies Building Regulations for all construction flooring applications. Sundolitt is seeing growth in both EPS and XPS for domestic flooring, where there has been a shift from PIR insulation with specific interest in our EPS Climate low Lambda material, which offers improved thermal performance with lower U Values as a value-engineered alternative. Offering outstanding load-bearing characteris- tics, high moisture resistance and exceptional thermal performance, Sundolitt’s XPS is also ideal for domestic floor applications. Neither EPS or XPS will degrade over time and both ensure that the building will continue to perform as expected for its full-service life. Sundolitt is committed to providing insulation solutions that benefit customers through quality, on time supply, overall cost effectiveness and dedication to support environmentally-friendly products. All sites are accredited to global Quality Management Standard BS EN ISO 9001:2008 and operate the EC Eco Management ISO 14001 and Audit Scheme (EMAS).
01786 471586
www.sundolitt.co.uk WWW.HBDONLINE.CO.UK
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