Sand the metal with.
How to rust corrugated steel roofing.
Clean the corrugated metal with the solution to remove all.
Remove paint if necessary.
Work in a well ventilated area to avoid inhaling fumes.
Move the metal object you want to rust out to a yard or open garage on a hot day.
Lend a centuries old look to metal accents in under an hour with this rusting tutorial.
How to rust corrugated metal.
Whether you use an angle grinder or a circular saw the heat damages the edges and the shower of hot sparks can destroy the protective coating and burns the paint finish.
Wipe the surface with a dry cloth.
Scrub with the brush until you uncover the shiny metal beneath and all rust is gone.
Direct sunlight helps speed up.
Cutting corrugated metal with anything producing heat can void the warranty by your manufactures and can make permanent damage to the metal sheets causing them to rust.
I live in colorado and have seen rusted corrugated steel roofs on million dollar homes and i wanted to rust corrugated steel to put on a barn i am building.
How to rust corrugated steel see entry by brian casey a discussion started in 2003 but continuing through 2017.
Fill a bucket with water and add enough liquid degreasing dishwasher detergent to create suds.