Painting Over Painted Metal Siding

Metal surfaces require specialized primer and paint for good paint adhesion.

Painting over painted metal siding.

Galvanized steel should not be painted with oil based paint. Repeat the procedure until you cover all the steel siding. A wire brush is another good tool for removing paint that accidentally contacts stone or masonry. Paint the steel siding panels using the sprayer.

Expect to pay the premium for good paint. Before painting you ll still need to do a little. Many paint manufacturers offer multi purpose enamel or a direct to metal paint. All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface.

As with all exterior painting projects proper surface preparation is the key to restoring your metal siding. Step 4 retouch. For steel use a latex bonding primer instead of a regular metal paint primer. Trigger the sprayer to begin the paint flow and use a back and forth motion to cover the length of the panel with an even coat of paint.

Cleaning of the surface can be done by hand washing with warm soapy water or with the use of a high pressure washer 2500 psi minimum. The secret to painting galvanized steel is white vinegar. 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. Begin by thoroughly cleaning your siding of all loose dirt chalk and other contaminants.

Start at the top of the wall and across the length of the metal siding. Painting vinyl or another metal material other than aluminum will be greatly different so it s important to be sure of what you re about to paint. When ready pour the primer into the paint container on the sprayer or pour the primer into the paint tray. Also keep a damp rag handy to clean up any wayward drips or splatter.

Check the label to be sure it s recommended for metal siding. The best way to get this siding clean is to power wash it. White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent. Ensure that you re dealing with aluminum.

When painting with a brush brush towards the unpainted area and then back into the freshly painted wet surface to prevent lap marks. If you have a kitchen then you probably already have this handy solution. The paint that you choose will depend somewhat on how well you prepared your metal siding to receive the paint and what the surface of it looks like. The key to painting aluminum siding is to get it really clean and to use 100 percent acrylic latex paint.

Aim the sprayer nozzle directly at the panels eight inches from the siding surface. Use the ladder for painting the steel siding on the top and using the roller paint in a horizontal direction. Then apply the primer to the metal siding in even strokes.