Use it on the siding and you may find that using this sands down to the bare metal which would be the ultimate prep job.
Paint to use on metal siding.
Then apply the primer to the metal siding in even strokes.
For steel use a latex bonding primer instead of a regular metal paint primer.
If you did not do a good job of scraping off the old paint or there is chalking that you can t get to come off then you should first paint with a primer.
Many paint manufacturers offer multi purpose enamel or a direct to metal paint.
Begin by thoroughly cleaning your siding of all loose dirt chalk and other contaminants.
Aluminum can be difficult to tell apart from vinyl if brand new.
Wipe the metal clean with a damp cloth or sponge to remove.
The homeowners hated the look but the metal was still in decent shape and they didn t want the expense of re siding the entire house.
Attach the sander to a wet dry vacuum that s equipped with a hepa filter.
If painting light to moderately used indoor metal surfaces think wall sconces bed frames or guest room night tables go with water based acrylic paint a cheaper 15 to 40 per gallon.
After removing loose paint first apply an orbital sander using 60 grit sandpaper working up to 100 grit sandpaper for a smooth finish.
Repeat the procedure until you cover all the steel siding.
The key to painting aluminum siding is to get it really clean and to use 100 percent acrylic latex paint.
Start at the top of the wall and across the length of the metal siding.
Step 4 retouch.
If possible bring a sample to a professional.
Expect to pay the premium for good paint.
When ready pour the primer into the paint container on the sprayer or pour the primer into the paint tray.
To remove paint from siding use a random orbit sander with a 100 grit abrasive disk.
Apply a wire brush and scraper combo to the metal first to remove all loose paint and rust or to scuff up the surface of aluminum or galvanized metal.
Use the ladder for painting the steel siding on the top and using the roller paint in a horizontal direction.
After the first coat of the paint dries start off with the second coat.
Use a random orbit sander.
A new paint job was the solution.
Give special attention to the parts where the primer layer still shows its color.
Determine if the siding has been previously painted and what kind of paint has been used.
Check for cracks or dings in the siding.
As with all exterior painting projects proper surface preparation is the key to restoring your metal siding.
Check the label to be sure it s recommended for metal siding.