Painting Galvalume Siding

The areas to be painted should be dry and clean of visible soil grease oil or other contaminants.

Painting galvalume siding.

If you want to paint a galvalume surface consider a crucial point. 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. All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface.

The following paints are suggested for field painting galvalume. Pour an exterior grade rust inhibiting primer into a paint tray and apply it to each roof panel. You can also use oil based alkyd paint but. If you have a kitchen then you probably already have this handy solution.

The mixture of zinc and aluminum protects the galvalume metal against corrosion and rust helping galvalume typically last much longer than galvanized steel. The vinegar is a mild acid which acts to etch the galvanized coating so the paint will stick. Use a long handled paint roller and apply primer until no portion of the metal is visible. All of the listed coatings will give good results.

Prime the surface with a primer made for metal. 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. 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. Treat the sheet steel with an etching primer or flaking will result.

Common household products like comet mineral spirits and chlorine bleach can all be used to prepare galvanized steel for painting. Wipe the galvanized surface down with white vinegar. The secret to painting galvanized steel is white vinegar. Galvalume will reject paint unless it is properly treated.

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. Go over the metal with a wire brush to remove any oxidation.