Hssl Posted October 20, 2009 Share Posted October 20, 2009 I need to paint a large amount of galvanised steel sheet - one for looks and two that it will hopefully give a few more years protection against rust. In uk/europe the brand hammerite is what i would use and use the metal primmer from the same brand - i have had good results. Of course TIT you can't get the real deal hammerite and the primmer to go with it though i have seen a 'local' version but no primmer. Any ideas?? TIA Link to comment Share on other sites More sharing options...
thatguy Posted October 20, 2009 Share Posted October 20, 2009 Same question part 2: In the US, we have a product called Ospho. It is a clear, green, phosphoric acid based primer for steel (galv) roofing. new or already rusty. Anything like it here? Link to comment Share on other sites More sharing options...
case69 Posted November 7, 2009 Share Posted November 7, 2009 what you need is a 2 pack etch primer for galv, im sure ive seen it in homepro,even a single pack etch primer for that matter and then use a top coat of your choice Link to comment Share on other sites More sharing options...
rabcbroon Posted November 7, 2009 Share Posted November 7, 2009 Galvanizing is a zinc coating which is the best form of protective coating. If it is slightly weatherd then you dont need an etch primer. Simply wash the galv with fresh water and brush with a stiff bristle brush to remove any corrosion products. Zinc corrosion is white as opposed to the ginger colour of steel corrosion so dont be fooled into thinking there is none. You can buy a Hammerite type paint from Carefour - if thats the appearance you desire. However, any conventional gloss or synthetic top coat would do. Any primer would also suffice and would be advisable just to give better attachment to the topcoat and better long term performance Link to comment Share on other sites More sharing options...
TigertheCat Posted February 18, 2010 Share Posted February 18, 2010 The paint company TOA do a Zinc Chromate Primer Yellow and a Wash Primer in their "Glipton" range of paints. It states in their catalogue for Street,Aluminium Alloys and Galvanised Steel. Link to comment Share on other sites More sharing options...
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