My south-facing galvanized steel garage door was last painted (red) about 18
years ago, but now it has faded to pink and is peeling in several places to
expose the bare galvanised surface. In other words it's long overdue a
I'm thinking of repainting it with Hammerite, a nice dark green colour.
I'll do the usual preparation (sanding/wire-brushing/washing), but does
anyone know if Hammerite will be OK to paint over the old (non-Hammerite) red
paint, or will I need to strip the whole door down to the galvanised surface
(a daunting thought)?
University of Sussex
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