How Long Does Bondo Rust Repair Last

How long will a rust repair last?

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Is Bondo a permanent fix?

Bondo Body Filler cures fast, shapes in minutes and is formulated to be a non-shrinking and permanently durable material. In addition to its uses on vehicle exteriors and other metal surfaces it is also a suitable repair option for wood, fiberglass and concrete.

Will Bondo fall off?

Eventually the filler will shrink and possibly crack, or even pop off! The general rule of thumb is that if the dent it deeper than 1/8” you need to do metal work first.

Can body rust be fixed?

The rust can simply be sanded off, painted, and given a clear-coat finish to seal out the elements. But if the rusting process goes on too long, it can eat right through the metal, causing holes and allowing body panels to fall to pieces.

Can you stop rust on a car?

Only sand enough to get the rust off, not deep enough to gouge the metal. Then wash the area again to remove any dust. When the area is dry, you can apply an anti-rust primer and some touch-up car paint.

Can you Bondo over rust?

To Bondo or Not to Bondo Minor surface rust can often be sanded and painted, but major rust pitting and holes may require a little more effort and material — specifically, Bondo or some other quality body filler. However, Bondo shouldn’t be used on every kind of rust hole.

Is Bondo waterproof?

Bondo All-Purpose Fiberglass Resin is your go-to material for sealing cracks, repairing breaks or filling holes in fiberglass, wood, concrete or metal. Along with cloth tape or matting, this 100% waterproof resin can be used for hundreds of repair projects to include cars, trucks, pools, showers, boats and more.

Can I Bondo over Bondo?

Yes, you can layer bondo over bondo as much as necessary with no problem.

How long can body filler last?

if you seal the container properly, that stuff will last you for ages. i’ve used filler thats 4-5 years old, granted ireland is damp climate, however, the filler is perfect, and the body work i prepared is still intact and didnt crack or warp in any way.

How long should Bondo dry before sanding?

When used according to the manufacturer’s recommendations, Bondo takes 10 to 15 minutes to dry enough to form a sandable surface. After 45 minutes it’s cured enough to be painted.