It is important to have the well suited auto body filler for rust. Let’s take you step by step, type by type, and find the best auto body filler forrust or you.

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Our Top Picks:

Best Overall: Buy: Auto Body Filler For Rust READ REVIEW

Compatible With All Paints: Buy: Bondo Versatile Filler READ REVIEW

Best For Boat: Buy: Bondo Body Filler READ REVIEW

Compatible With Most Paints: Buy: Bondo Fiberglass Resin READ REVIEW

Best With Great Stuff: Buy: Bondo Regular Body Filler READ REVIEW

Best For Plastic Bumper: Buy: Bondo Wood Filler READ REVIEW

Best Overall: Auto Body Filler For Rust

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The filler is a must have add-on for your regular use. The Auto Body Filler For Rust can be used by professionals for over 60 years. is another way that 3m applies science to life, and helps you restore and maintain the beauty and value of the vehicles you own. The filler / hardener mixture changes color as it ’s mixed, making it easy to maintain the right consistency.

The filler includes reliable materials for mixing and cleanup. Finally, the autobody fillerfor rust allows for use on curved or flat surfaces.

Almost all buyers quickly discovered that the filler is used for wood repair. Also, a few say that the filler is the right size and price. Further, a few say that the filler is designed to be a cosmetic filler, there are some limitations to how it can be used. In short, the tone of buyers is very positive and we believe that the filler suits the purpose.

• Use during the fill stage of the 3m body repair system.
• For industrial/occupational use only. Not for consumer sale or use.
• This is reusable and can be cleaned with acetone after use.
• Easy to use – includes step-by-step instructions.

Compatible With All Paints: Bondo Versatile Filler

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The Bondo Versatile Filler is suitable and reliable and fits well with your daily purpose. The bondo versatile filler includes pulling dents, removal of paint and rust and efficient, effective masking of the area. The Manufacturer says: Our bondo-hair long strand fiberglass reinforced filler features strands of chopped fiberglass up to 1 long for extra strength on your toughest repairs. This waterproof filler delivers twice the strength of standard body filler, making it ideal for rebuilding missing pieces during full vehicle restoration.

Above all, the bondo versatile filler is sanded smooth and it is very solid.

Almost all buyers opine that the filler is not for that purpose use the aluminum. Also, they also found that the filler is used to fill dents on your gas tank. Also, a few say that the filler is not porous and wont bubble up after a couple of years if it goes over pitted or rusted metal.

• This includes painting the area and blending and smoothing primer and paint.
• Waterproof formula works great on cars and boats.
• This will turn to a rusty brown color.
• This is perfect for repairing the type of hard top your jeep has.

Best For Boat: Bondo Body Filler

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The Bondo Body Filler's superior materials make sure that it ages well with use. The bondo body filler has filled a large hole, suitable for small repairs and it sets up quickly. It also features a fast-drying formula that is sandable in as little as 20 minutes, saving you time on autobody repairs. This stage involves patching holes with reinforced filler and smoothing and shaping filler before painting.

Lastly, the bondo body filler is compatible with all paints, is good for other painted surfaces and it hardens very quickly.

Almost all customers quickly discovered that the filler is as good as it gets for finishing. In addition, a few also found that the filler is not completely trivial, since the resin is highly viscous because of the fiberglass filler. In addition, they strongly agree that this fiberglass filler and a top filler to properly fill the holes and create a smooth surface to paint.

• This is great for patching rust holes.
• This is great with running boards, is made for good stuff and it dries fast.
• This fiberglass reinforced filler is another way that 3 m applies science to life.
• This is easy to answer without additional facts.

Compatible With Most Paints: Bondo Fiberglass Resin

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Bondo makes beautiful and great fillers with classic and smartly chosen materials. The Bondo Fiberglass Resin is also slightly thicker and provides a fast drying time, making the filler less messy on vertical surfaces like car doors. If your repair needs even more strength, it also works well with traditional fiberglass repair materials and tools. This reinforced body filler already contains short, interlocking fiberglass strands, making it twice as strong as standard body filler and also much easier to use during vertical repairs when the filler can drip down the surface and cause extra work.

Most importantly, the bondo fiberglass resin went on smooth, very easily and it looks good.

Almost all customers agree that the filler is easy to patch a somewhat large-ish hole. Also, they also found that the filler is the best way to fix anything it sticks to. In addition, a few say that the 3 m 272 bondo short strand reinforced filler contains short, interlocking fiberglass strands.

• This is fiberglass resin with short strand fiberglass as a filler.
• This can be paired with bodyfiller and glaze for complete repairs.
• This is compatible with all paints and it is good for other painted surfaces.
• This is easy to work with, even for someone with no experience.

Best With Great Stuff: Bondo Regular Body Filler

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Next on the list, we've got yet another product that manages to win our hearts. It's the Bondo Regular Body Filler and it's widely considered as one of the most convenient products you can buy. The bondo regular body filler has filled a large hole, went on smooth and it is very solid. This system helps you work easily, efficiently and successfully across the entire body repair process. This reinforced body filler already contains short, interlocking fiberglass strands, making it twice as strong as standard bodyfiller and also much easier to use during vertical repairs when the filler can drip down the surface and cause extra work.

Above all, the bondo regular body filler is compatible with all paint systems for cars and boats.

Most customers opine that the filler will sand out nicely, leaving a smooth surface that will take paint without issue. And, a few say that the filler takes two coats to fill the hole. Moreover, a few strongly agree that the filler comes with a tube of hardener, which you need to activate the filler. In short, many have used the fillerfor more than a few months without letup, and it shows no sign of giving up.

• This is sanded smooth, sets up quickly and it is good for stainless steel.
• And helps you rediscover the excitement of the vehicles you own.
• This is the more expensive version for a car made in 2007 or newer.
• This is an easy to use, top - quality short strand body filler.

Best For Plastic Bumper: Bondo Wood Filler

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If you want nothing but a product that is satisfactory, this Bondo Wood Filler is certainly a right investment. The bondo wood filler is very sticky and it is pvc. By mixing the filler with the cream hardener (included with the filler), you can sand the putty in 15 minutes and paint it in only 45 minutes. The putty turns light gray in color once cured, helping it blend consistently into the existing surface.

The filler spreads well and it has set time. Finally, the bondo wood filler is perfect for use on driveways, is stainable and it is automotive.

Most customers opine that the filler makes a nice hard coating that doesn't scratch up at all. In addition, they strongly agree that the filler is an epoxy that hardens and would crack if used as you intend. Further, they strongly agree that the old rule of thumb for proportion with body filler is for a glob of putty the size of a golf ball using a one inch ribbon of hardener. Overall, most buyers agree that the filler suits best, and no one questions it.

• This includes the bondo that activates the staff.
• This is used to fix veneers on dressers.
• This can be used in body shops for car repairs.
• This is used for cars that will not work to fill in plastic bumpers.