When you have removed much of the unwanted material switch to 200 grit sandpaper to finish off the sanding process.
How to sand sheet metal.
To refine the surface of your metal you ll use sandpaper across a gradient of grits from relatively coarse to fine.
As the rough edges are removed switch to finer grit sandpaper.
The light was just at the right angle and he could see dust coming out of the bag with each blow.
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That dust causes silicosis.
Pick up a sheet each of 400 600 and 800 grit.
This way you won t sand too much into the metal and weaken it.
Search for other sheet metal fabricators in los angeles on the real yellow pages.
In this exciting video we sand a stainless steel sheet to 5000 grit then polish using gords aluminum polish.
The best way to sand is along the grain of your metal if any is present else you can always do it in circular motions.
You can tape sandpaper to a flat surface to create a mini sanding board and get sanding boards that work like nail files.
Use a polishing pad once the metal is smooth to remove any metal dust and bring out the shine of the metal.
I ve hit rusty sheet metal with sand just kept the feed higher lower pressure and further distance.
Blasting is fine on panels i was referring to parts where the sand can enter but a pain to remove such as unibody boxed parts such as a sub frame or underside of a hood etc.
They did everything i wanted and the offsets were like artwork it was as perfect a job as i have ever seen.
I ve worked not in the raingutter industry but near it in a related field and i can say their prices are fair not the lowest but certainly.
In the past we ve presented metal shaping articles that showed the average inexperienced joe how to create just about anything from a flat sheet of steel provided he has access to the right tools.
Most hardware stores carry sheets of wet dry sandpaper.
Because 80 grit is pretty coarse stop using it when the paint is almost all the way off.
Attach an 80 grit sanding disk to your sander and begin sanding the metal surface from which you need to remove paint.
Use pieces of either sandpaper to remove pockets of the material that might have been left in the tight spaces.