Will Bondo fill holes?

It is, of course, best to fix the rust before it becomes a hole, but with some effort, you can fix a hole in a car with Bondo to make it look as good as new.

Then, can you Bondo over holes?

The hard way is to weld over the holes and the easy way is to put body repair tape on behind the holes and bondo over them. I plan on putting just enough bondo in the holes with a dab of paint on them to hide them to keep water out, I will not be feathering the surrounding area for now.

Similarly, how big of a dent can you fill with Bondo? Its OK to use bondo up to 1/4 inch. If it is your pride and joy, I'd do a little more work to reduce the dent. Using Metal-2-metal will make it a little stronger than normal bondo.

People also ask, how do you fill holes with body fillers?

How to Fill Small Dents and Holes in a Vehicle's Body

Clean the body area thoroughly.
Sand the area.
Mix only as much hardener-filler as you're going to use right away.
If you're patching a hole, place something beneath the hole to keep the filler in place.
Apply the filler.

How do you fix a hole in Bondo?

How to Repair a Hole in a Car with Bondo

Remove any metal that is not solid from around the area of the hole that is to be repaired.
Use coarse-grit sandpaper to remove any paint and primer for a distance of 3 to 4 inches in all directions away from the hole.
Use nylon window screen to fill in behind the hole and create a backer to hold the auto body filler.

33 Related Question Answers Found

How hard is Bondo?

Fully cured Bondo is harder than soft pine, and is not flexible. It can be worked (drilled, sawed, routed, and finished) similarly to hardwood. 10. Bondo 262 can easily be applied, shaped and finished within an hour.

Is Bondo waterproof?

Bondo Fiberglass Resin is designed for repairing cars, boats, snowmobiles, jet skis, bathtubs and showers. Bondo Fiberglass Resin is waterproof and is compatible with all paints, including gel coat and marine paints.

How long does a Bondo repair last?

There is no minimum thickness for Bondo, but there is absolutely a maximum. You do not want to apply body filler to anything that is thicker than about a 1/4”. That does not mean it can't be done, but the repair will not last as long. Eventually the filler will shrink and possibly crack or even fall off.

Can you Bondo over JB Weld?

Re: Bondo over JB Weld? If you do it, make sure there are scratches in the jb weld, meaning you should sand it. It definitely won't stick well to the jb weld as it hardens all shiny.

What to use to fill holes in metal?

Working from the front side and using the kit applicator, a putty knife, or even a stiff piece of cardboard, cover the screening with epoxy. Apply epoxy until the hole is filled. Then build up the epoxy above the surface of the metal and let it slightly overlap the edges of the hole. Allow the epoxy to cure.

What is the best car body filler?

The Best Car Body Filler

3M Bondo 261 Lightweight Filler. See More Reviews.
Permatex 25909 Liquid Metal Filler. See More Reviews.
3M Bondo Professional Gold Filler. See More Reviews.
Evercoat 156 Light Weight Body Filler.
3M Dynatron 492 DynaLite Lightweight Body Filler.
Evercoat 112 Rage Gold Premium Car Body Filler.

What causes pinholes in paint?

There are several causes of pinholes in paint film surfaces. They can be caused by moisture in spray-gun atomizing air during application, insufficient atomizing air pressure and unclean surfaces. In baked-on castings, they can be caused by gasses escaping from the porous substrate during the thermal cure.

How much does body filler cost?

Body filler from other sources can cost as much as $18 per PINT.

Can you apply body filler to bare metal?

Q. Can Evercoat fillers be applied over bare metal? Evercoat fillers are designed to work over bare, properly prepared substrates such as: steel, aluminum, galvanized metal, fiberglass, and SMC. Fillers and putties will normally work OK over properly sanded (80-180 grit) cured OEM paint.

How do I fix a hole in my truck bed?

Start by sanding off the paint, grind the rust, apply rust primer, mix the body filler paste with the hardener, place a metal mesh behind the rust hole and apply the body filler. Smoothen out the surface with sandpaper, apply primer and then paint. Fixing rust holes at home is simple if you have the right equipment.

How long does it take for body filler to dry?

If your filler hardens too fast, you used too much, if it takes too long, you didn't use enough. You only want to mix what you can use in about 10 minutes. Properly mixed, body filler will begin to thicken in 10-15 minutes, and be fully cured in 30.

Is Isopon p38 waterproof?

Strong 2K polyester bridging compound. Easily covered with standard polyester filler. Can be over-painted directly. Waterproof.

How much is a gallon of Bondo?

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Why is Bondo bad?

Filler has long been a standby for repairing small car dents. For one, Bondo that is mixed too thickly can crack, harming rather than improving the look of the car. Additionally, there's a risk of discoloration and poor long-term wear when you use a filler like Bondo.