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Painting Galvanised Steel


Commando
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Moving on from my last post.....Has anyone had experience of painting over galvanised steel? I have some estate fencing that has been galved (about 2yrs ago so well weathered) and needs to be painted black. Any recommendations of products and preparation greatly appreciated.

Cheers CP

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Tor Coatings in Birtley used to make an excellent solvent-based primer for galvanised surfaces which doesn't need an etch primer. I used it on my galvanised land rover chassis with no degradation ~6yrs later. They never advertised it so you would have to ring and see if they still do it (my can of it has no codes on).

 

The advantage is that it's black, so it overcoats easily with a coat of tractor enamel for a long-lasting finish.

 

Alec

 

edit: found it - it was always difficult to locate as it wasn't listed properly, see here:

 

http://www.decoratingdirect.co.uk/viewprod/t/TORGALVPF/

Edited by agg221
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Tor Coatings in Birtley used to make an excellent solvent-based primer for galvanised surfaces which doesn't need an etch primer. I used it on my galvanised land rover chassis with no degradation ~6yrs later. They never advertised it so you would have to ring and see if they still do it (my can of it has no codes on).

 

The advantage is that it's black, so it overcoats easily with a coat of tractor enamel for a long-lasting finish.

 

Alec

 

edit: found it - it was always difficult to locate as it wasn't listed properly, see here:

 

http://www.decoratingdirect.co.uk/viewprod/t/TORGALVPF/

 

 

Alec

Many thanks, great advice as usual!

That looks like just the ticket, and free delivery too👍

Craig

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If you can't wait a year,what you should do first is apply a coat of mordant solution before painting

 

http://britanniapaints.co.uk/wp-content/uploads/pdfs/Roofs/Mordant_Solution.pdf

 

Easy enough to get hold off .

 

I support what Remora107 says - had a new Land Rover chassis, left it 12 months(don't ask:001_rolleyes:) washed it off with Mordant solution and then just primed and top coated it black as normal. Its cheap, easy to apply, and just hose off, leaves a blackish colour as well before painting. Paint is still good after 3 years - better than a new puma 12 months old! cos I'm sure they used a water based emulsion in the factory:confused1:

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Hi pressure wash it down, let it dry and give a coat of quick drying metal primer then 2 coats of metal shield black paint. hope this helps

 

ps ex RM

 

use ordinary metal primer and go back in a years time and watch it all peel off

use the proper galvanised primer or your in trouble it will peel

some good advise has already been given

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