It is not unusual to see paint peeling off gutters or downspouts. Gutter, downspouts and duct work are all made of galvanized metal. The galvanizing process leaves behind oils that make it difficult ...

Engineering and technical staff often get confused over the various terms bandied about in South African industry such as ‘galvanized’ or ‘cold galvanizing’ or ‘zinc-rich paints’. So, what’s the ...

We have a 30-year-old galvanized-steel door that's suddenly not holding paint. I used oil primer and numerous topcoats, but nothing helps.—DAVID G., WOODINVILLE, WASHINGTON The problem is ...