That will get the oxidization process started.
How to age metal roofing.
Snow is the best weathering agent around but rain works too.
How to rust corrugated metal.
Many types of galvanized metal do not rust but a patina or a duller finish makes them look weathered or aged.
Once the entire piece is dry give it a few minutes to cool off then wash it down with water to clean off all the dried on stuff and reveal all that beautiful aging.
Most often you will find galvanized metal which has a steel coating over it to protect it from rust.
How to chemically age corrugated sheet metal to give you that rustic look.
While wearing gloves lightly sand the entire piece of metal with steel wool.
Fill a bucket with water and add enough liquid degreasing dishwasher detergent to create suds.
Step 1 find a piece of new shiny metal.
Work in a well ventilated area to avoid inhaling fumes.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
Put on safety goggles and gloves.
Wipe away any dust left behind.
Use a wet towel or rag to.
Rub the metal object until the surface loses the shine and slickness.
Metal roofing is also available in the form of shingles.
Sanding will remove the shine on a finish.
Continue adding panels until the roof is covered.
Squirt clorox toilet cleaner all over the metal.
Instead of leaving the metal outside for years to age on its own speed up the process with vinegar or faux finish it with paint or glaze.
The baking soda helps to make sure it s thick enough to really sit on the metal even on the sloping parts so it all ages beautifully.
This process is ideal for props or furniture where you want to create an artistic antique finish step 2 sand the metal object with 80 grit sandpaper.
Use steel wool again to rub the toilet cleaner everywhere.
Use a sanding pad or sander for larger pieces of metal.
You may need to cut panels to fit angles using a circular saw with a metal saw blade.
When it s the right amount of rustiness rinse it off and let it age out in the weather.
Let the metal sit for 24 hours covered in toilet cleaner and steel wool.