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EXTERNAL ENVELOPE
ASWS wins contract at Glasshouse Street
Associated Steel Window Services (ASWS) has been appointed to undertake the
full
refurbishment of 78 steel lightwell windows and 43 timber windows for a project on 21-29 Glasshouse Street. Over two decades ago, ASWS
completed a light refurbishment works project across the whole building. Today, the specialist will undertake the refurbishment of the steel-framed lightwell windows as well as the timber windows on level 5 and 6. The schedule includes an off-site refurbishment scope including full paint strip, reglazing with thermal upgrades to slim double-glazed units with full repairs and redecoration.
asws.co.uk
Why water authorities turn to T-T
T-T is regularly asked to review and support wastewater designs where long-term operational performance is critical. That trust is built on one thing: experience grounded in evidence. Recently, T-T challenged a request from another UK NAV
to increase the diameter of a rising main. The reasoning followed familiar industry assumptions that larger pipes are more reliable, reduce blockage risk, and better suit commonly available pump confi gurations. T-T’s review showed otherwise. T-T validate, emulate, and assess designs against real operational data, the same conditions assets will face once they are built, commissioned, and maintained.
www.ttpumps.com Siderise launches a new range of passive fi re protection products for precast concrete facades
Siderise has launched its new PC-FS Firestop and PC-CB Cavity Barrier product range – a passive fi re protection package developed specifi cally for precast concrete cladding systems. Siderise approached this application to develop a dedicated solution that has been comprehensively tested, while addressing the practical challenges associated with these systems, such as tight tolerances, limited access, complex interfaces and construction sequencing. The stone wool Lamella core provides built-in compression and, alongside a bracket-free fi x for narrow voids, contributes to faster installation times compared to less compressible barriers. PC-FS Firestop and PC-CB Cavity Barrier can also be fi t from above or below the slab – making them ideal where topside access is restricted, or when sequencing requires alternative installation approaches. Both products are tested to EN 1366-4 (Resistance to fi re) and EN 13501-1 (Reaction to fi re) standards, with supplementary fi re test evidence for precast concrete panel bracket penetration, end of fl exible wall confi guration, and fi restop bracket securement to the underside of the slab edge to support a wider range of project conditions.
enquiries@siderise.com
siderise.com
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ADF APRIL/MAY 2026
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