Fil Dents In Sheet Metal

Typically the method used by these roving bodywork specialists involves four basic procedures.
Fil dents in sheet metal. No two component mixing or measuring is necessary therefore there is no waste. Bondo plastic metal is a product commonly used for filling dents and cracks in metal surfaces usually on automobiles. If you sand away too much primer and you can see metal again you ll have to reprime and resand. Apply lab metal right from the can with a putty knife or similar tool.
Fills small holes cracks and perforations. Hiding the dents is just like taping and sanding drywall except the patching material is a little thicker and tougher. Start by removing the paint inside and around the dent with 24 grit paper. Lab metal fills dents and flaws in metal and nonmetal parts easily and economically.
It causes them to slow down and pack closer together making the metal contract. It s built up gradually in thin layers until the dent or hole is filled and level with the surface of the metal but it should only be used with dents no more than 4 inches in diameter. Chilling the metal such as with freon or dry ice does the opposite of exciting the molecules of the metal. The first step in any repair process is assessing the damage to determine whether it s simple or major.
Switch to 80 grit sandpaper and hand sand the entire dent. Another excellent source is aircraft sheet metal published by jeppesen. Fill a spray bottle with clean water and spray the repair area and the sandpaper. Use the same sandpaper to rough up and feather the paint around the edges of the dent.
For a heavy duty fix use a two part auto body filler. Place a washer on the screw. It s available at home centers and hardware stores. Excellent adhesion to galvanized metal.
You can also chuck the 24 grit disc into your drill and spin it deep into the dent getting all the way down to the metal. Minor damage to a sheet metal structure includes missing or damaged rivets scratches or small dents a small crack and a corroded sheet metal surface. Works on metal wood and concrete. Sand the primer using a straight back and forth motion.
Repairs cracks or porosity leaks in cast metal parts. Each layer is. Heat special tools and specialized skill are unnecessary. When you begin to see the old paint show through the primer you ve gone far enough.
Insert a sheet metal screw select a sheet metal screw slightly wider than the hole you ve drilled. Drilling numerous holes in and all around a dent slide hammering the riddled metal out plastering. Easy to use filler can be drilled filed sanded and painted. The easiest way to fill in the dents is with a premixed patching or glazing compound designed for steel doors.