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topic 29343

Painting new galvanized gutters



2004

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 [last name deleted for privacy by Editor]
handyman - Winchester, Virginia


affil. link
Latex Self-Etching Primer

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
Geoff Crowley
Crithwood Ltd.
supporting advertiser
Westfield, Scotland, UK
crithwood logo


2005

Years ago, I worked for a sheet metal company. We etched new galvanized gutters with strong vinegar. We primed and painted. You might try this on a small piece or at least ask others opinion of this technique.

Richard T [last name deleted for privacy by Editor]
quality systems - Bandera, Texas

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