Steel as
a standard is shot blasted SA2½ and is primed with 75 microns of high build zinc
phosphate primer. This is not intended to be used as a final finish. However
many clients, especially those who are paying with their own money, leave this
primer as the only finish. If rust shows through
where the steel has been scratched during transportation, erection or
in use it may be touched up. If the climate is known to be corrosive, for example,
if the hangar is close to the sea on a windward coast, or is likely to be
subject to saline dust then we recommend hot dip galvanizing. This is much
better, cheaper and more enduring that any multi-coat paint specification. However it is
harder to overpaint galvanised steel.
Shot
Blasting
All steel passes through our
Automatic Shot Blasting plant before fabrication.
Protective Coatings
All steel before leaving
our works is sprayed with High Build Zinc Phosphate primer, to a thickness
of at least 75 microns.
Hot Dip
Galvanising
Although we are able to provide
a high standard of shot blasting and almost any paint system to suit the
structure, many specifications which call for Hot Dip Galvanising. This in our opinion, is still the best way of providing long
term protection to structural steelwork. It is no more expensive than
complicated multi-coat paint systems and, in our opinion, more effective. We
have hesitated to issue publicity of this nature before because we thought
that the cost of galvanising steelwork would not be acceptable to most
clients- However, during the last 25 years there has been an increase in
demand from discerning clients, for the tough, lasting protection provided
when steel is dipped into molten zinc. If you want ONLY THE BEST then you
should have your steelwork HOT DIP GALVANISED.
Works
Despatch Area
Note steelwork in various
finishes Zinc Phosphate paint in blue, in white and Hot Dip Galvanised.
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Steel as
a standard is shot blasted SA2½ and is primed with 75 microns of high build zinc
phosphate primer. This is not intended to be used as a final finish. However
many clients, especially those who are paying with their own money, leave this
primer as the only finish. If rust shows through
where the steel has been scratched during transportation, erection or
in use it may be touched up. If the climate is known to be corrosive, for example,
if the hangar is close to the sea on a windward coast, or is likely to be
subject to saline dust then we recommend hot dip galvanizing. This is much
better, cheaper and more enduring that any multi-coat paint specification. However it is
harder to overpaint galvanised steel.
