Fill the Entire Hole You can use a hard piece of cardboard, a kit applicator, or a putty knife. Make sure that you apply epoxy until the entire hole is filled or repaired. Epoxy will form over the metal surface and the edges of the hole will overlap a bit. Allow the epoxy to harden.27 oct 2021
Can you repair rust without welding?
A rust hole impairs the metal's structural uprightness. You need a bonding material that's as potent as the metal if you want to repair a rust hole on metal without welding. ... Besides epoxies, you can also fix rust holes using metal mesh and fiberglass sheets.27 sept 2021
Can JB weld fill holes?
I used JB Weld to fill over an area above the gutters where they became rusty and pitted with a few pinholes. Worked well for me as well. Was much easier to mix a small amount vs bondo.12 may 2008
Can undercarriage rust be fixed?
Rust eats away at metal until there are visible holes, or the structural integrity of the metal is no longer safe. Rust forms easiest where there is water, humidity, salt or mud against metal. ... Rust on the undercarriage should be repaired as soon as possible to prevent holes in the floor and other parts.