Alkyd and oil based paints may seem to stick at first but the oily layer eventually sheds the paint.
Can you paint galvanized steel pipe.
When painting galvanised steel you have to be aware that some primers and metal paints are not suitable.
The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling.
Whether the pipes are made from copper galvanized metal black iron or cast iron the keys to proper sealing and adhesion are preparation of the material and priming.
Alodine is a clear liquid that can be wiped on then rinsed with plain water.
If you have a kitchen then you probably already have this handy solution.
For the most dependable results look for paints that are formulated specifically to bond to galvanized steel.
To paint galvanized steel do your prep work and you ll have a paint job that lasts for seasons.
Plus no one can say what s good enough for you.
Avoid using alkyd based paints such as spray paint on galvanized steel.
Galvanized metal is difficult to paint because it s coated with a layer of oil to prevent white rust.
The last time i purchased it was about 12 for a quart which will probably do galvanized trim on several.
The reason you get conflicting answers philip is that painting galvanized materials is a difficult problem but no one is going to say it s impossible because it s not.
The galvanizing process is used to protect steel drainage duct and water pipes as well as metal gutters from corrosion but leaves an insipid grayish patina that actually resists certain types of paint on visible water pipes.
It can also be used for preparing aluminum for paint.
Once the primer has dried you can apply the paint of your choice in the way that.
White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent.
If you do it the wrong way though peeling paint and bleed through can make the problem worse.
The secret to painting galvanized steel is white vinegar.
All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface.
Clean use a water based degreaser to wash off the surface oil and passivator layer.