It causes them to slow down and pack closer together making the metal contract.
Fil dents in sheet metal.
Superfil is an ideal filler material because it does not shrink with time.
Chilling the metal such as with freon or dry ice does the opposite of exciting the molecules of the metal.
For a heavy duty fix use a two part auto body filler.
Up until the 1950s the standard way to smooth panels after dent repair was with lead body solder.
Insert a sheet metal screw select a sheet metal screw slightly wider than the hole you ve drilled.
It s available at home centers and hardware stores.
Apply the superfil with a squeegee let it dry overnight sand it smooth and touch up the area with paint.
Again the exact size doesn t matter as long as the washer won t.
Some old school traditionalists still prefer metal solder based body fillers and that is why eastwood sells lead free body solder.
Small cracks are a common problem on sheet metal airplanes.
The easiest way to fill in the dents is with a premixed patching or glazing compound designed for steel doors.
Fill a spray bottle with clean water and spray the repair area and the sandpaper.
If you sand away too much primer and you can see metal again you ll have to reprime and resand.
Hiding the dents is just like taping and sanding drywall except the patching material is a little thicker and tougher.
Even up into the early 80s the factories still used lead solder on bodies like this 1978 chevy camaro z28.
Bondo filler tends to shrink after being applied.
Dents in sheet metal are the result of the metal being stretched by something impacting with it.
Drilling numerous holes in and all around a dent slide hammering the riddled metal out plastering.
However low cost stainless steel protection film provides a great return on investment as it eliminates scrapes or scratches to the steel surface itself.
Sand the primer using a straight back and forth motion.
Place a washer on the screw.