If it's just light surface rust @Cranswick, I'd give it a quick sand, hit it with a wire wheel, and then apply the gal primer over the top. I do not t ...

The Dy-Mark 1L MetalPro Zinc Gal Primer must be applied over bare steel @Cranswick. You can not apply it over a rust convertor. If you want to apply a ...

It's best to try to remove all traces of rust before applying the gal coating to the bare steel @Cranswick. You can use a combination of sanding and a ...

Hi @Cranswick, As we don't stock the Wattyl Killrust, I don't have experience using it, though I do know the White Knight Rust Guard works perfectly ...

The Metalshield primer is designed to inhibit the rust from continuing to get worse @Cranswick—rust forms when moisture contacts steel. If you paint t ...

The Metalshield primer is the way to go, but you can treat the rust before using the primer @Cranswick. Follow the prep instructions above, then apply ...

Hi @Cranswick, You should start by removing as much loose rust as possible with a wire brush and mechanical means. Once the majority of rust is remove ...

As we don't stock Polymarble, I'm unaware of all its characteristics @Cranswick. They are a resin and filler construction with a gel coating. Cracked ...