33-Icopal Acoustic Systems News 140807

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Icopal - Two revolutionary systems to debut for Icopal's acoustic systems

Two groundbreaking systems – one of which has candidate Robust Detail status while the other fills the gap left by the suspension of E-FC-3 – the Robust Detail for pre-cast concrete, floating screed separating floors – will debut at Housebuilding 07 for Icopal’s market-leading Monarfloor Acoustic Systems.

Monarfloor Bridgestop and Tranquilt will showcase the division’s stand (M59) at the show at London’s Business Design Centre from October 9 to 10 when visitors will get a first chance to get up close and personal with these step changes in acoustic insulation.

Members of Icopal’s technical team, which is the largest of its kind in the UK, will man the stand throughout the show to advise visitors how the second generation systems can help them meet the requirements of Part E of the Building Regulations.

Bridgestop is a system that prevents acoustic bridging commonly caused by mortar build-up between separating walls, and sound transmitting wall leaf to wall leaf via the slab. The system has cleared its first hurdle in gaining candidate RD status with Robust Details Ltd.

By isolating both leafs of the party cavity wall from mortar collecting at the base, and isolating the wall base, Bridgestop allows the use of a continual raft foundation between attached dwelling houses which is not currently accepted within Robust Details. The system also ensures the robustness of gas membranes where used on contaminated sites. Bridgestop can also be used on beam-and-block and in-situ floors.

With 70% of new build now on brownfield sites where contamination may require raft foundations or gas barriers, the Bridgestop system is likely to prove invaluable to housebuilders and developers who can achieve three to four credits towards the Code for Sustainable Homes by using it.

The research project behind this innovative solution has been developed in association with The Building Performance Centre (BPC) at Napier University, Edinburgh. Under PCT testing, Bridgestop has achieved up to 61dB DnT,W + Ctr which significantly increases airborne performance for current Robust Detail E-WM-4 walls.

Tranquilt is a lightweight, one-part acoustic system for new–build and refurbished party floors that is set to slash installation times. So workable it can be laid like carpet, it is ideal for specifiers and contractors looking to fill the gap left by the suspension of E-FC-3 – the Robust Detail for pre-cast concrete, floating screed-separating floors.

Being only 10mm thick and supplied in a 1.5m by 20m roll, it is supremely easy to store, transport and carry and is simply loose laid over a structural concrete sub floor to receive a screed finish. Once laid however, its superb dynamic stiffness prevents collapse under the weight of the overlaid screed. Its one part system with integral flanking detail ensures robustness.

Where Part E site tests for impact sound involving separating floors between dwellings and rooms for residential purposes demand 62dB or lower, Tranquilt delivers up to 37dB L’nT,w, and where airborne sound tests demand 45dB or higher, Tranquilt delivers up to 62dB DnT,w + Ctr

In addition to Bridgestop and Tranquilt, the Monarfloor stand will reflect the company’s position as the supplier of the largest range of lightweight FFT (Floating Floor Treatment) systems in the UK. These range from deck overlay systems to battens and cradles, for timber and concrete floors and steel constructions, all incorporating low resonance acoustic chips (LRACs) which do not deteriorate over a building’s lifetime.

Email: tracy@tlcpr.co.uk