Avoid using alkyd based paints such as spray paint on galvanized steel.
How to spray metal siding with latex paint.
The key to painting aluminum siding is preparation and priming.
Acrylic latex provides the best coverage on prepainted surfaces.
Paint in long even strokes making sure not to overdo it.
Paint must be applied to clean sound surfaces.
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Once everything is clean and dry you re ready to apply your primer.
Here s where a lot of people make a mistake.
Paints that are made for galvanized surfaces will require less prep work and will adhere better than other kinds of paint.
In a nutshell you need to start with a clean palette.
All of the chalkiness must be washed and scrubbed off and any flaking paint removed.
Then apply the primer to the metal siding in even strokes.
When ready pour the primer into the paint container on the sprayer or pour the primer into the paint tray.
These are readily available at most home improvement centers and hardware stores.
Work from the top down to eliminate dripping paint from ruining your hard work.
Inspect roof and siding seams for leaks and make repairs with appropriate paintable patching material.
Read on to find out more.
If your paint is dripping then you have too much.
To preserve your paint job choose a high heat metal paint formulated with heat resistant resins to withstand high temperatures such as rust oleum high heat spray paint 6 98 for 12 oz.
Do not use alkyd based paints or oil based primer.
If vertical paint up to down.
For steel use a latex bonding primer instead of a regular metal paint primer.
Use a brush roller or spray can depending on your preference or the size and shape of the metal object.
Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting.
If your siding is horizontal paint left to right.
Choose the right paint.
In most cases a standard latex paint formulated for exterior use will get the job done.
The paint should adhere to the prepainted metal surface.
Start at the top of the wall and across the length of the metal siding.