Once the metal has been cleaned and is dry prime it using an exterior multipurpose latex primer or a latex primer that is made specifically for galvanized metal.
How to paint sheet metal fence.
Work in small sections aiming for even coverage.
Fill a bucket with hot water and soap.
Wash the surface oil grime and the mineral spirits you ve just used can inhibit certain metal paint so it s always necessary to wash the fence prior to applying primer and paint to it.
Brush or spray the primer onto the prepped steel surface.
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Scuff the sand throughout the sheet metal fence all surfaces with a medium tie sponge.
Topcoat with two coats of a high quality exterior latex paint.
Coat all surfaces using brush and rust resistant primer.
Make sure there are no gaps or thin spots that might cause an issue later on when it comes time to paint.
Any suggestions on the paint to use for galvanized metal.
Soak a rag or a scrubbing brush and thoroughly scrub all the nooks and crannies of the fence.
For maximum hold and durability choose a multipurpose latex primer that s designed for exterior use.
You don t need to get down to bare shiny metal just clean off the flakes and powdery surface rust that prevent paint from adhering.
Wipe the entire surface with lint free cloths.
However badly rusted metal areas need more prep work and possibly a special primer.