Outdoor Engineering
The use of hot dip galvanizing to protect steel from corrosion is the coating of choice when it comes to sustainability and long life. We all know that steel is a vital raw material used across many sectors, from large-scale infrastructure and construction to smaller-scale elements including fencing, signage and street furniture.
Hot dip galvanizing involves steel being cleaned and dipped into molten zinc at temperatures of up to 450°C, where a series of zinc-iron layers are formed between the iron and zinc creating a long-lasting, durable coating which is much more robust than other coatings which only bond chemically or mechanically.
A single treatment is able to protect steel for over 60 years or longer if the conditions are right, and there are options for achieving a thicker coating which will add an even longer life to the steel. As a result, the whole life costs of galvanizing products can be significantly reduced because there is no need for repeated on-site maintenance.
To showcase the real value of the process, Wedge Group Galvanizing regularly hosts open days for different sectors. The events provide visitors a unique opportunity to watch the galvanizing process in action and ask technical questions. Visitors also get an insight into how CE marking fits in with the galvanizing process, correct venting procedures and best practice tips for inspecting galvanized steelwork.
Hot dip galvanizing may be the finish of choice when it comes to corrosion protection but there are occasions when a touch of colour is required. This has previously thrown up practical issues when it comes to applying paint to galvanized steel, the biggest challenge being able to achieve proper adhesion.
However, there is a solution; Galvacoat® , a one-coat, two component
polyurethane-based paint which has been specifically designed for use on galvanized steel, it eliminates the requirements for any special etch primers and gives GTO adhesion for the entire duration of its coating as well as having excellent resistance to UV exposure. The paint is available in all RAL and BS colours at different levels of gloss, allowing the end contractor a huge degree of design freedom.
Wedge is the largest hot dip galvanizing organisation in the UK with 14 plants, it has the largest galvanizing bath in the UK at 21m as well as a spin facility able to galvanize nuts, bolts and other fixings, enabling them to offer customers a truly national galvanizing service.
WEDGE GROUP GALVANIZING
TEL: 01902 600704 55
WWW.WEDGEGALV.CO.UK
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