If your paint is dripping then you have too much.
How to spray metal siding with latex paint.
Then apply the primer to the metal siding in even strokes.
Paints that are made for galvanized surfaces will require less prep work and will adhere better than other kinds of paint.
Here s where a lot of people make a mistake.
Once everything is clean and dry you re ready to apply your primer.
In most cases a standard latex paint formulated for exterior use will get the job done.
Clean the surface thoroughly removing all dirt dust chalk rust grease wax and mildew and allow to dry.
Do not use alkyd based paints or oil based primer.
Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting.
Acrylic latex provides the best coverage on prepainted surfaces.
Apply latex paint to the surface.
All of the chalkiness must be washed and scrubbed off and any flaking paint removed.
Paint must be applied to clean sound surfaces.
Paint in long even strokes making sure not to overdo it.
Avoid using alkyd based paints such as spray paint on galvanized steel.
If your siding is horizontal paint left to right.
The paint should adhere to the prepainted metal surface.
Choose the right paint.
In a nutshell you need to start with a clean palette.
Use a brush roller or spray can depending on your preference or the size and shape of the metal object.
See below for a shopping list and tools subscribe to this old h.
If vertical paint up to down.
Painter jim clark shows how to ready old faded aluminum siding for a fresh coat of paint.
Work from the top down to eliminate dripping paint from ruining your hard work.
The key to painting aluminum siding is preparation and priming.
Inspect roof and siding seams for leaks and make repairs with appropriate paintable patching material.
For steel use a latex bonding primer instead of a regular metal paint primer.
These are readily available at most home improvement centers and hardware stores.
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.