EXTERNAL ENVELOPE; INTERIORS 57
AIM’s improved OSCB and WCB ranges meet rainscreen fi re safety challenges
S
ignifi cant investment in product development and testing for its Open State Cavity Barrier (OSCB) and new
Wall Cavity Barrier (Red Edition) ranges has enhanced their suitability for rainscreen cladding systems, says AIM – Acoustic & Insulation Manufacturing.
cavity
Open state cavity barriers and full fi ll barriers are crucial to fi re
safety
within rainscreen cladding on medium and high-rise buildings. Together they can achieve compartmentation within the void created by the rainscreen cladding. This then provides an effective barrier to the passage of hot smoke and fi re behind the cladding system. The OSCB is installed horizontally to permit free fl owing ventilation through the cavity in a vertical plane and the wall cavity barrier is fi tted vertically to complete compartment lines. AIM’s six OSCBs allow the ventilation necessary within the wall construction to prevent problems of condensation allowing
free airfl ow and drainage with either a 25 mm or 44 mm air gap. They can fi ll voids up to 425 mm (or greater in particular circumstances). In the event of a fi re, heat activates the OSCBs intumescent strip which expands quickly to close the cavity fully. They offer either a 60, 90 or 120-minute performance for both integrity and insulation confi rmed by testing in accordance with ASFP Technical Guidance Document 19 and to the general principles of BS EN 1363-1:2020. For use in cavity voids up to 600 mm
AIM’s new Wall Cavity Barrier (Red Edition) range is available cut to size or in slab form. Available in three thicknesses, 75 mm, 100 mm and 125 mm, they prevent the passage of heat, fl ame and smoke within the cavity for 30, 60 or 120-minute fi re rating periods tested to BS EN 1366-4:2021. This rating makes these wall cavity barriers suitable for medium to high rise buildings. Both the AIM OSCB and Wall Cavity (Red Edition)
Barrier products have
third party certifi cation issued by IFC Certifi cation Ltd. AIM’s OSCBs and Wall Cavity Barrier (Red Edition) ranges are suitable for both new build rainscreen projects and remediation work.
01293 582400
www.aimlimited.co.uk/cladding
Saniplus UP facilitates garden retreat
Thanks to a Saniplus UP from Sanifl o, a new garden retreat in the capital has been elevated to a new level of comfort and convenience. The garden building, which was supplied and built by Shack Cabin, sits slightly below the level of the main house, presenting a unique challenge for
traditional waste drainage. The quiet Saniplus UP macerator system provided the ideal solution, effi ciently pumping waste to the main soil stack. Installed discreetly behind a demountable panel, the unit is hidden yet accessible for maintenance. This seamless integration means visitors to the space would never know it was there.
sales@sanifl
o.co.uk www.sfasanifl
o.co.uk Cistermiser welcomes DEFRA’s targets
Cistermiser has welcomed the ambitious water saving targets for commercial buildings recently set by DEFRA. These include a national goal to reduce water leakage by 37% by 2038 and 50% by 2050. “Water effi ciency is no longer optional; it’s essential,” says Richard Braid, managing director of Cistermiser. “We
are proud to support DEFRA’s bold goals by providing practical, scalable solutions that make a real difference. Our technologies empower businesses to intelligently take control of their water usage, reduce waste and contribute to a more sustainable future.”
0118 969 1611
www.cistermiser.co.uk
ADF FEBRUARY 2025
WWW.ARCHITECTSDATAFILE.CO.UK
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