AIM Acoustic & Insulation Manufacturing has supplied Wall Cavity Barriers and open state cavity barriers (OSCBs), along with technical support, for a ‘path-breaking’, 900-room student accommodation development at the University of West England Bristol’s Frenchay Campus. Designed by Stride Treglown, the project’s main contractor is Vinci Construction.

AIM worked with Maple Sunscreening on the rainscreen façade system assembly from the ground floor upwards, which is mainly cassette panels with AIM’s OSCBs incorporated horizontally and AIM’s Wall Cavity Barriers installed vertically.

 

Joe Hemming, senior project manager for Maple Sunscreening said,

 

“Maple’s commitment to the highest level of quality installation and recording has proved vital in maintaining confidence with the client, to date Maple’s on-site team have worked closely with AIM and the client to deliver product training with certification for over 60 operatives and managers currently work on this project.  This is now reflecting within Maple’s and AIM’s quality audits.”  AIM also supplied and supported installers Sandford Building Contractors during the construction of the extruded polystyrene (XPS) filled sub-floor cavity, which included a layer of AIM’s Wall Cavity Barrier directly above the XPS, and all two masonry storeys.

 

 

 

Designed for use within ventilated rainscreen facades and timber frame cladding systems, AIM’s OSCBs allow free airflow and drainage and improve fire safety, providing fire resistance of up to two hours insulation and integrity in suitably supporting structures.  In the event of a fire, heat activates an intumescent strip which expands quickly to fully close the cavity.   AIM Wall Cavity Barriers are made from foil faced high density Rockwool stone wool and are suitable for use in all masonry cavity walls, as well as for fire stopping between a masonry curtain wall system and a concrete floor slab. The barriers prevent the passage of heat, flame and smoke within the cavity they fill for one- or two-hour fire-resistance rating periods.  They are tested to BS 476-20.  The barriers also reduce airborne transmission of sound by a minimum of 21db Rw.


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