Quick Answer: What Is The Best Body Filler?

Are body fillers bad?

Body filler has a pretty bad reputation for questionable repair jobs particularly because of dodgy fast paced body shops.

If it’s improperly mixed, or put on too thick are the only downsides to body filler.

After that it’s making sure it’s properly sealed from water and UV damage..

Can Bondo go over primer?

Can you apply body filler or bondo over primer filler? Yes. … You CAN apply over sanded 2k primer, or bare metal. Be sure to have the area sanded with at least a 150 so the filler has some TOOTH to grab to.

Does body filler stick to aluminum?

Aluminum auto body filler does not corrode and sticks well to galvanized aluminum and steel. To use this auto body filler, you must clean the surface of any wax or greasy buildup, mix filler with liquid hardener to room temperature, and stir it.

Can you use body filler over paint?

Can they be applied over paint? A. 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.

Should you primer before body filler?

For small repairs, you can bog directly over the bare metal. If the repair is larger, or you’re looking for a longer-lasting job, apply a base coat of epoxy primer before laying on the filler.

How big of a hole can you fill with Bondo?

One may also ask, 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.

What is the difference between Bondo and body filler?

Bondo is a company that makes Body filler, Fiberglass-reinforced body filler, among other items. Body filler is the stuff that can make any surface smooth with proper usage.

Does body filler last long?

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.

When should I sand my body filler?

16. Once the filler is cured, you will sand the area. Generally, you will start with a pneumatic sanded, 8 inch, 6 inch or long board with 80 grit or 100 grit paper, depending on the size of the repaired area. This will usually be followed by hand sanding boards using 100 grit and 120 grit and finishing with 150 grit.

What is the easiest sanding body filler?

Lightweight fillers like Evercoat 112 are easy to sand and water resistant. They are more like metal fillers but with a more lightweight formulation. These are often used as a final layer when repairing dents because they are not thick enough to cover large holes.

Why is Bondo bad?

Just be careful. Bondo will not stop rust so if it is used to cover an area without the proper prep work the panel will continue to rust from the inside out. Even if you watch the big shots on TV restoring a car, they will use a skim of body filler or putty over the entire car and block it all smooth.

What will Bondo not stick to?

Clean and sand or scuff the surface to prepare it for body filler — it will not adhere to smooth, dirty or oily surfaces. Generally, if paint will stick, so will Bondo. … Conversely, if there’s an area you don’t want Bondo to stick to, apply a release agent (see tools and materials) or use Scotch tape or wax paper.

Is Bondo body filler waterproof?

Bondo Fiberglass Resins and Repair Kits are 100 percent waterproof. Because they do not shrink, they are excellent sealers. Bondo Fiberglass Resin is sandable in less than 2 hours, is compatible with all paints, and creates a strong and long-lasting bond.

What is the strongest body filler?

The Best Car Body Filler3M 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.

Do body shops still use Bondo?

Yes auto body shops still use Bondo and other fillers. It is a great product and if used properly, thin applications, it works great. Most Bondo problems are due to excessive thickness and improper application.