On 18/10/2020 10:09, Scott wrote:


I think it's galvanized. There is no sign of any rust.

Zinsser Bulls Eye 123 primer.

I've used this successfully with a variety of undercoats/gloss both
water and solvent base.


https://www.zinsseruk.com/product/bulls-eye-1-2-3/
Available from Screwfix and Toolstation (often a 10%+ difference in price)

technical details
https://www.zinsseruk.com/core/wp-co...mer-Sealer.pdf

How to paint galvanised...

https://www.zinsseruk.com/howto/paint-galvanised-metal/

Obviously they are recommending their own paints after a 123 primer but
it seems to work well with any paint I've used on top of it.




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