AN INTEGRATED APPROACH
With reference to two London high-rise installations, CMS Danskin outlines how their acoustic floors can be installed as part of a wider intelligent underfloor heating package.
As high-rise developments continue to provide a practical solution to the lack of land available for new residential sites, it increasingly falls to the construction industry to develop innovative solutions which deliver Building Regulation compliance, streamline the build process and provide optimum comfort for occupants.
While Part E governs sound control between dwellings, the sustainability agenda is driving down energy consumption – making underfloor heating a preferred specification in multi-storey buildings and apartments. Consequently, the flooring package has become more prominent than ever as it must effectively fulfil acoustic and thermal performance requirements, whilst keeping the floor height to a minimum and ensuring the project remains cost effective.
One of the most common floor treatment methods used in an impact sound control and underfloor heating specification is a timber batten or saddle bearer system. These systems provide acoustic isolation and dampening, but at the same time create a void which has a dual purpose: to reduce sound transfer and provide a casing for underfloor heating.
Providing access to a range of timber batten and saddle bearer systems, CMS Danskin Acoustics is able to provide technical guidance at design stage and advise on the most appropriate solution to use in conjunction with any type of underfloor heating system. For Archway Tower and Stratford Halo, the acoustic floor was specified and installed as part of a wider intelligent underfloor heating package.
ARCHWAY TOWER –
VANTAGE POINT Essential Living invested more than £30m to convert the 17-storey Archway Tower, also known as Vantage Point, into 118 residential apartments.
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The construction of the existing building dictated that a lightweight dry construction had to be used for the apartment flooring – leading to the specification of a fully integrated and intelligent underfloor system.
To meet the specification and level the existing uneven floor slab, CMS Danskin provided a timber bearer with resilient saddle build-up, which was further enhanced with a top layer of “Smartspan” calcium sulphate board. Providing a strong stable platform that is almost thermally transparent, Smartspan is ideal for use with underfloor heating systems as it provides a surface which is compatible with various floor finishes, including stone and timber.
STRATFORD HALO A regeneration development by Genesis Housing Association, located at the approach to the 2012 Olympic Games, included five residential blocks – one of which is 132 metres high – making it one of the highest residential towers in London.
The specification for the upper level penthouse apartments included an acoustic timber floor structure with integrated control for underfloor heating. With sustainable design and lightweight construction in mind, CMS Danskin Acoustics delivered a timber levelled floor system using timber bearers and resilient saddles.
Focused on the targets for renewable energy and reduction of carbon dioxide emissions, a combined heat and power plant and biomass fuel were also specified. As such, the TIC System was selected to interface with the underfloor heating and FCU cooling requirements – which could all be controlled through a single and simple touch screen interface – ultimately delivering maximum comfort with minimum operating costs.
www.cmsdanskin.co.uk/fusi ACOUSTIC FLOORING | 43
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