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Painting new galvanized gutters
I am installing galvanized gutter on a barn. The costumer wants it painted, and I don't know if I can paint it immediately with galvanized primer or if I need to treat it first or let it weather for a while. What should I do to insure good adhesion?
Lawrence D [surname deleted for privacy by Editor]handyman - Winchester, Virginia
2004
You need an etch primer or you will not get much adhesion. Alternatively there are new silane based paints in some countries which gain good adhesion to fresh galvanizing. We have tested these with good results for 4 years so far.
Geoff Crowley
Crithwood Ltd.
Westfield, Scotland, UK
2004
Years ago, I worked for a sheet metal company. We etched new galvanized gutters with strong vinegar ⇦in bulk on eBay or Amazon [affil link] . We primed and painted. You might try this on a small piece or at least ask others opinion of this technique.
Richard T [surname deleted for privacy by Editor]quality systems - Bandera, Texas
2005
adv.
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