Painting Galvalume Siding

You can also use oil based alkyd paint but.

Painting galvalume siding.

All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface. The vinegar is a mild acid which acts to etch the galvanized coating so the paint will stick. White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent. Prime the surface with a primer made for metal.

If you re attempting to paint siding panels roof flashing or other materials that have seen exposure to the elements a thorough cleaning is necessary to eliminate any organic contaminants from the outer surface. The secret to painting galvanized steel is white vinegar. Treat the sheet steel with an etching primer or flaking will result. If you have a kitchen then you probably already have this handy solution.

Wipe the galvanized surface down with white vinegar. Common household products like comet mineral spirits and chlorine bleach can all be used to prepare galvanized steel for painting. The areas to be painted should be dry and clean of visible soil grease oil or other contaminants. The following paints are suggested for field painting galvalume.

Galvalume metal roof and siding panels are coated with a mixture of zinc and aluminum and siliconized coating to help resist scuffs and fingerprints better than a bare metal product. The mixture of zinc and aluminum protects the galvalume metal against corrosion and rust helping galvalume typically last much longer than galvanized steel. All of the listed coatings will give good results. Use a long handled paint roller and apply primer until no portion of the metal is visible.

Most galvanized materials will have a light coat of oil to protect the surface while in transition. To paint galvalume good coating practice should be observed as with painting any surface. Galvalume will reject paint unless it is properly treated. Go over the metal with a wire brush to remove any oxidation.

Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint. Galvalume is a type of sheet steel used in a variety of applications including roofing siding furniture gutters and pipe.