Rust Guard Epoxy Enamel by White Knight is a rust-inhibiting topcoat that transforms rusted metal with a professional, long-lasting colour finish in one easy step. Rust Guard Epoxy Enamel also provides a UV resistant protective finish with excellent durability, adhesion, and abrasion resistance. Great for both renewing rusted surfaces and protecting new metal, White Knight Rust Guard epoxy enamel is ideal for use on metal fences, roofs, doors, gutters, downpipes, windows, railings and gates.