72 EXTERNAL ENVELOPE
Galvanizing the sustainable finish G
alvanizing has long been recognised as the most sustainable finishing process available, and with the
ever-evolving emergence of new technologies, it is increasingly becoming even more- environmentally friendly. Steel is a vital raw material in many industries across the world, but as a metal, it is highly prone to corrosion. In fact, it’s estimated that worldwide, one tonne of steel turns to rust every 90 seconds, which means that for every two tonnes of new steel
produced, one is made simply to rust. Galvanizing protects steel from corrosion
by coating the metal with zinc to prevent it from rusting. Clean steel components are dipped into molten zinc at temperatures of up to 450°C, where a series of zinc-iron alloy layers are formed by a metallurgical reaction between the iron and the zinc. Unlike other finishes, the process of galvanizing results in minimal waste, as any zinc that doesn’t instantly form a coating on the metal remains in the galvanizing bath and is subsequently re-used. A further benefit of galvanizing is its low whole-life cost. The process only needs to be carried out once, and will result in corrosion protection that can last up to 70 years without the need for any time or resource-intensive maintenance or replacement, thus improving economies of scale and savings in energy. Galvanized products, once constructed or installed, can also be removed, re-galvanized and re-used, as well as being easily recycled with steel scrap in the steel production process. Ongoing Development continues to
achieve more sustainability. One such method is the re-use of ‘waste’ heat from furnaces involved in the galvanizing process, via a system of ducting it through heat exchanger units, which provides heat for both degrease and pre-flux tanks. Low flume fluxes have also been developed which ensure that emission limits are achieved with minimum use of energy-consuming abatement equipment. With its sustainable qualities, long life-span
and cost-efficient whole-life savings, hot dip galvanizing can clearly be considered one of the most environmentally-friendly finishing processes available.
01902 601944
www.wedge-galv.co.uk
Comar launch ECO LT window & door systems C
omar profiles have thicker walls providing extra strength and durability for the British market,
ensuring that Comar performs. Designed specifically for the British Market and offering a truly British engineered solution. Comar ECO LT sightlines have been minimised whilst not sacrificing product performance. With low U-values, energy ratings of
A++ and Document Q compliance with Secured by Design status this is a feature rich system which guarantees a quality installation. Comar ECO LT is a lightweight version of
the ECO range, but the aluminium profiles wall thickness has not been sacrificed, ensuring guaranteed long-term performance. Due to Comar’s robust British design the size and weight limitations surpass the competition on a size by size basis.
5P.I ECO LT - Aluminium Window System Comar 5P.i ECO LT Aluminium Casement Window System has both internally and externally glazed options. With the resurgence of slim aluminium high security externally
beaded with sloped beads minimises the sight lines and maximises daylight. The square chamfered profiles are a distinctive feature of this system, keeping the square look of a truly aluminium solution. For Ovolo feature the ECO range seamlessly
suites in: No matter the situation Comar 5P.i ECO LT delivers.
7P.i ECO LT - Aluminium Door System Comar 7P.i ECO LT Aluminium Door System has both inward and outward opening options in single or double door combinations. There are two thresholds available high weather performance and low-rise for seamless balcony terrace integration. Comar 7P.i ECO LT door has been designed to provide high performance solutions for today’s specification demands. Utilising Comar’s trademark P.i. (Polyamide Insulation) thermal break technology, it delivers superior thermal performance with an aesthetic edge. Aesthetics come from its slim 55mm
profiles, seamlessly integrating with the Comar 5P.i ECO LT casement window system. Comar
7P.i ECO LT has been tested to BS 6375 which ensures the door performs well against the rigours of the British weather, reducing draughts and providing excellent weather proofing. Security concerns are alleviated with the
Comar 7P.i ECO LT door exceeding the requirements of PAS 24:2016. For further information, please email
projects@parksidegroup.co.uk
020 8685 9685
www.comar-alu.co.uk
WWW.ARCHITECTSDATAFILE.CO.UK
ADF APRIL/MAY 2020
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