Or you could wash it by hand with tsp or a similar product available at home centers and paint stores and rinse it thoroughly.
Best primer for steel siding.
Halt the formation of rust on bare painted or lightly rusted metal with this interior exterior oil based primer.
The good news is that metal siding is one of the best surfaces to repaint.
That s because the best exterior primer not only provides a stable foundation for the layers of paint which are applied after it s been applied to the surface but also prepares the painted surface in numerous ways.
For steel use a latex bonding primer instead of a regular metal paint primer.
Start at the top of the wall and across the length of the metal siding.
As long as the siding is clean you won t need to use a primer unless raw metal is exposed.
The best way to get this siding clean is to power wash it.
The process of repainting pre finished metal siding is a little different than it is for other types of exterior surfaces.
Rust oleum s clean metal primer is sold in a half pint container that covers up.
Then apply the primer to the metal siding in even strokes.
Pre finished metal siding is siding that has already been painted and while this coating lasts a long time it will eventually erode away.
Finally since metal is such a good heat absorber avoid.
As with all exterior painting projects proper surface preparation is the key to restoring your metal siding.
However you can apply oil paint directly to metal.
This information is essential to know even if you have pre finished metal siding.
When ready pour the primer into the paint container on the sprayer or pour the primer into the paint tray.