HOT DIP GALVANISING
- Competitive First Cost
As a highly mechanised, closely controlled process, Hot Dip Galvanising can be carried out very economically in large batches. The alternative - painting - is highly labour intensive.
- Lowest Lifetime Cost
Low initial cost and long life make Hot Dip Galvanising the most versatile and economic way of protecting steel for long periods (25 + years).
- Long Life
Hot Dip Galvanising has many years proven performance. Long life up to seventy years is commonplace in most atmospheres. For more details see the Millennium Map Project.
The process is simple, straightforward and closely controlled. The coating thicknesses are regular, predictable and easily specified and are defined by I.S. EN ISO 1461 : 2009.
- Speed of Application
A fully galvanised protective coating can be applied in a few hours. A proper four coat paint system requires approximately one week.
- Complete Coverage
Because it is dipped in molten zinc, all parts of the surfaces are coated - inside and out - including awkward corners and narrow gaps.
- Coating Toughness
Hot Dip Galvanising is unique - the coating bonds metallurgically with the steel giving a much greater resistance to damage than other coatings.
- Three Way Protection
Hot Dip Galvanising protects in three ways.
- It weathers at a slow rate giving a long and predictable life.
- The coating sacrifices itself to any small areas exposed through drilling, cutting or accidental damage.
- If large areas get damaged it prevents the sideways creep of rust.
- Ease of Inspection
Hot Dip Galvanising is an honest coating - if it looks continuous and sound, it is so. Coating thickness can be checked easily with the use of a magnetic probe (Elcometer).
- Faster Construction
Hot Dip Galvanised steel is ready for use. No further site preparation, painting or inspection is necessary. Once erected, cladding can begin immediately, thus accelerating the construction programme.
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