I Sanded My Rusty Gate to Bare Metal—Then Flash Rust Ruined Everything in One Week

I Sanded My Rusty Gate to Bare Metal—Then Flash Rust Ruined Everything in One Week

Sanding a rusty gate seems like the obvious first step, but bare metal begins oxidizing within hours in British humidity. Flash rust can undo your hard work in days unless you understand the chemistry and timing involved—here’s what professionals know that DIYers don’t.