Crittall Windows specialise in the supply and installation of commercial and domestic steel windows & doors. Products include the Corporate 2000 Range of Commercial Steel windows; the Berkeley Range of Replica steel windows; the Corporate W20 Range of steel windows & doors and Crittall Homelight steel windows & doors for residential construction. Other specialist ranges include Maximum security windows for Prisons & detention centres.

Sapa Building Systems supply a wide range of aluminium systems for domestic & commercial applications. Products include residential and commercial aluminium windows, doors and sliding folding door gear; Aluminium curtain walling systems & units; building facades and aluminium glazing systems; fire & blast resistant windows & doors; solar protection for buildings and PV solar panels. Full technical information is available on the Sapa Building Systems web site.

DML Systems design, manufacture and install Unitised Aluminium and Composite Curtain Walling, Commercial aluminium Windows and Doors, Commercial Facades and Structural Glazing. Unitised windows and curtain walling offer the advantages of being factory assembled for consistent quality and allow rapid installation which means they can be retrofitted with the least disruption to occupants. We supply and fit both finned or glass mullion frameless glass structural glazing and bolted structural glazing.

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REA are specialists in the design, manufacture, installation and glazing of architectural steel glazing systems including fire rated glazed steel windows, glazed steel doors and steel framed fire rated one and two hour fire screens. REA steel windows are BSI Kitemark for quality assured manufacture and performance testing of steel windows to BS 6510:1984.

Formes Alutek provides a range of services to the construction industry by manufacturing and installing thermally efficient Aluminium, composite Aluminium/Timber curtain walling, windows and glazed doors. We are specialists in curved aluminium windows and curtain walling. We also manufacture ranges of aluminium folding and sliding doors, louvres, fire rated doors and windows to the New Build and Refurbishment sectors of the market.