74 INSULATION; INTERIORS


of skim and the total depth is around 330 mm. Moreover, the typical insulation material used in the cavity is likely to achieve an unimpressive U-value; typically around 0.3 W/m2


K.


Contrast that with the walls at a recent project in the conservation area of Leamington Spa where a dilapidated department store has been extended to create a block of 26 luxury apartments and retail space. Architect Tate Hindle opted for a steel frame extension and EWI system. The existing walls were of solid concrete and, including EWI, were 485 mm deep and achieved a U-value of 0.18W/m2


K. The


frame extension with EWI was designed to have an even lower U-value of 0.13W/m2


K, with an overall depth of just 364 mm.


This was important for the project as a key goal was to maximise the internal space within the apartments without going beyond the original footprint of the property. For potential homebuyers and tenants any extra space is hugely desirable and for developers and housebuilders, it makes a home more marketable. Assuming the same parameters for an average detached house with, for example, overall outside dimensions of 5.4 x 8.6 m on plan, using steel could potentially increase the internal fl oor area


USING AN EWI SYSTEM IMPROVES THE THERMAL PERFORMANCE OF A BUILDING AND THEREFORE, THE INTERIOR COMFORT


 thereby reducing the internal fl oor area as a result of the thicker walls. On the Leamington Spa project illustrated here, a multi-layer system was specifi ed. The fl eibility of I meant that on this particular project the perfect colour of fi nish could be used to ensure the building preserved the town’s historic features, whilst providing modern thermally effi cient and spacious accommodation.


Kevin Gamble is technical and certifi cation manager at Saint-Gobain Weber


New score & snap tile backer board from Euroform


by an impressive 14.8%. To achieve the same thermal perfor- mance, a building with typical masonry construction fi lled with mineral fi bre insulation would require a 180 mm wide cavity to achieve the U-value of 0.18W/ m2


A


new, lightweight, ‘score & snap’ tile backer board has been launched by construction materials supplier Euroform. Named


‘Easyboard®’, the fi bre cement board is designed for use in areas of high moisture, such as kitchens and bathrooms, and has secured an A1 non-combustible rating. Easyboard®‘s ‘score & snap’ nature is an


innovative development for a tile backer board – it is scored easily with a traditional utility knife and snapped to size without the use of specialist cutting equipment. In addition, its relative lightweight (approx. 13 Kg per 800mm x 1200mm sheet) means that it can be lifted and fi tted by a single installer or DIY user.


Easyboard® has been classifi ed A1 “non-


combustible” according to (BS) EN 13501-1. Manufacture is via a unique process,


combining Ordinary Portland Cement with a reinforcing matrix, that enhances workability and handling over traditional fi bre cement boards. Available in 12.5mm thickness Easyboard®


is inorganic, making it very dimensionally stable compared with traditional wood-based boards. Commenting on the new product,


Mark Atkinson, Euroform’s national commercial manager, said, “Easyboard® is lightweight and a handy size for a single person to install.


HBD08_Performance Technology Group / Euroform_Interiors - Bathrooms & Kitchens (Tiling)_HPAdv.indd 1 WWW.HBDONLINE.CO.UK


Its workability, with its ease of cutting, is a signifi cant improvement over traditional tile backer boards. Competitive pricing is also going to make it an attractive new alternative.” Easyboard® is only available from Euroform. A video demonstrating the ease with which Easyboard® can be cut via the ‘score & snap’ method can be seen at: www.euroform.co.uk/ easyboard Euroform recommends Easyboard® is installed in brick bond fashion with a fl exible adhesive used when placing tiles. It can be used as a wall tile or fl oor tile substrate.


01925 860 999 www.euroform.co.uk 28/07/2022 09:56


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