The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion.
Galvanized steel building paint.
Paint brush galvanized metal is steel coated with a thin layer of zinc oxide.
New galvanized metal a product used to make corrugated sheets gutters and downspouts is usually smooth and is coated with either a layer of oil to prevent white rust or is passivated.
You can also use oil based alkyd paint but.
For the most dependable results look for paints that are formulated specifically to bond to galvanized steel.
Find metal exterior paint at lowe s today.
The zinc oxide forms a barrier that protects the steel from corrosion.
Get free shipping on qualified galvanized metal or buy online pick up in store today in the paint department.
To prep metal for paint adhesion you must first clean it with soap and water remove light rust with a wire brush sand it with fine grain sandpaper and then in most cases prime.
Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint.
Galvanized steel or metal is a common building material.
That means you re not painting steel you re painting zinc says gary vorick global training manager sherwin williams.
Get more business building tips and info on products.
Paint applied over this oily surface or clear passivator will peel quickly.
Galvanized steel is a type of steel that has been galvanized by the application of a zinc coating to protect it from corroding or rusting.