There are several advantages of having a metal filler for rust hole. In the following post, we will help you to select the best metal filler for rust holes.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Bondo Body Filler READ REVIEW

Best For Fast Set: Buy: Jb Weld Metal Filler For Rust Hole READ REVIEW

Best For Bare Metal: Buy: Permatex Metal Filler For Rust Hole READ REVIEW

Best For Quick Fix: Buy: Jb Weld Epoxy Putty READ REVIEW

Best For Fiberglass Boat: Buy: U.S. Chemical & Plastics Metal Filler For Rust Hole READ REVIEW

Best With Fiberglass: Buy: 3M Body Filler READ REVIEW

Best For Top Coat: Buy: 3M Metal Filler For Rust Hole READ REVIEW

Best With Fast Shipping: Buy: Alvin Metal Filler For Rust Hole READ REVIEW

Best For Easy Mixing: Buy: Bondo Metal Filler For Rust Hole READ REVIEW

Best Overall: Bondo Body Filler

Buy on Amazon

Bondo offers a variety of fillers for personal choice and yet maintains quality in all the variants. The Bondo Body Filler is perfect for patching, is great for shelf life and it does the job. Whether you're protecting your hardwood floors from paint splatter or going all out with a decorative mural, rely on scotch delicate surface painter's tape for a professional look that's easy on your surfaces. 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.

The filler can be paired with body filler and glaze for complete repairs. Further, it is also slightly thicker and provides a fast drying time, making the filler less messy on vertical surfaces like car doors. Most importantly, the bondo body filler is ideal for repairing rust-out, very easy and it is made with great stuff.

Almost all customers quickly discovered that the filler is not for that purpose use the aluminum. And, they say that the filler is easy to sand and sands quite smooth, but creates a lot of dust. Moreover, they strongly agree that this material would not work very well as it dries rock hard and will not flex. Overall, for almost all customers, Bondo product was what they were looking for.

• This will sand out nicely, leaving a smooth surface that will take paint without issue.
• Ideal for repairing metal, wood, concrete, masonry and fiberglass.
• Use during the fill stage of the 3m body repair system.
• This comes with a tube of hardener, which you need to activate the filler.

Best For Fast Set: Jb Weld Metal Filler For Rust Hole

Buy on Amazon

The Jb Weld Metal Filler For Rust Hole's material feels more premium than its price would suggest. The jb weld metal filler for rust hole is a fast - setting version of the original j-b weld two-part epoxy cold weld system that provides strong, lasting repairs to metal and multiple other surface types. Make sure this fits by entering your model number. Also, the filler is dependable, is very solid and it does the job.

The filler works fine and it is moldable. Moreover, it works as advertised and it is reliable. Lastly, the jb weld metal filler for rust hole is great for surface applications, is small amount for quick and it is super strong.

Almost all customers agree that the filler works for the tough jobs and is soooooo strong. In addition, they strongly agree that the filler will fasten almost anything permanently and you're ready to roll in a few minutes.

• This is a great way to weld metal together without heat.
• It is great to mend old cast iron pieces.
• This takes 6 minutes to set and 4-6 hours to cure.
• This is great for a great price, worked better and it works quickly.

Best For Bare Metal: Permatex Metal Filler For Rust Hole

Buy on Amazon

The Permatex Metal Filler For Rust Holes is suitable and reliable and fits well with your daily use. The permatex metal filler for rust holes is perfect for door panels, has excellent adhesion and it is great for bare metal. For filling deep holes, apply liquid metal filler. This easy - to - use filler can be drilled, filed, sanded and painted and forms a long - lasting, metal - tough bond.

Above all, the permatex metal filler for rust hole will dry in 3 to 4 hours.

Almost all buyers found that the filler is a great idea and go ahead, you will be fine. And, they strongly agree that the filler is an inexpensive pair, then try it. Moreover, they also found that the metal filler might react with the metal the heat sink and the case is made of. To sum up, at the price, they believe that they got a steal of a deal with it.

• This is great with running boards, resists water and it is very smooth.
• This offers ideal solutions for many automotive bonding jobs.
• This will not bend under pressure of flexing.
• This works on metal and it works as advertised.

Best For Quick Fix: Jb Weld Epoxy Putty

Buy on Amazon

The Jb Weld Epoxy Putty should be able to handle its purpose and duties with ease. The jb weld epoxy putty is used for small repairs and it is very easy. Make sure this fits by entering your model number. In addition, it can be sawed, drilled, carved, sanded and painted.

The filler is great for shelf life and it is great for vinyl siding. Most importantly, the jb weld epoxy putty holds fast and it very easily.

Almost all customers agree that the filler is used to, without worrying that it would snap and break again. Moreover, they strongly agree that the filler can fix almost anything.

• This is used to repair a cracked motor home wheel well cover.
• This is good for patching holes or cracks in plastic items.
• This will insure the best adhesion.
• This can be used on a cracked bumper and it melted away within 2 weeks.

Best For Fiberglass Boat: U.S. Chemical & Plastics Metal Filler For Rust Hole

Buy on Amazon

The US chemical & plastics metalfiller forrust hole is the most suitable filler on the market today. The US chemical & plastic metal fillerfor rust holes provides ultimate strength and durability on rust-outs, holes, tears and cracks. Make sure this fits by entering your model number. Also, it is hard as a brick and it works well.

Lastly, the U.S. Chemical & Plastics Metal Filler For Rust Hole is ideal for use on metal and fiberglass panels.#1 short-strand fiberglass filled body fillerreinforced for superior strengthuse with fiberglass cloth for large repairsrustproof.

Most customers agree that the filler is easy to spread and feathers very well for this type of filler. Further, a few strongly agree that the filler is used for patching rivet holes and smoothing patches in a fiberglass camper project. Moreover, a few strongly agree that the filler can be used on a fiberglass car body to bond wood framing to the inside. To sum up, at the price, they believe that they got a steal of a deal with it.

• This is easy to use and half the price compared to auto shops.
• Duraglas(r) body filler is the original fiberglass reinforced automotive body repair filler.
• This would be perfect with fast shipping and it would go on smoothly.
• This is made with short strand fiberglass fibers.

Best With Fiberglass: 3M Body Filler

Buy on Amazon

The features department is where 3M Body Filler truly manages to shine. The 3m body filler is non-shrinking, non-reactive and permanently durable. Top-performing auto body repair in a do-it-yourself kit for convenience. The body filler also features superior 3 m resin technology which makes it easy to mix, apply and sand.

The filler is formulated to bond with double-coated galvanized steel, but also bonds with a variety of surfaces including aluminum and fiberglass. Further, the filler provides 5 minute working time, cures in as little as 20 minutes for fast repairs. Most importantly, the 3m body filler is water resistant and it looks good.

Almost all buyers opine that the filler is dry one second ago. And, a few say that the filler is easy to use, easy to clean up, easily paint good stuff.

• This reduces peel - back plus it can be used on newer vehicles.
• Advanced resin technology makes for smooth, easy application and sanding.
• Professional grade auto body finishing at a fraction of the time and cost.
• This comes with great stuff and it is used for easy applications.

Best For Top Coat: 3M Metal Filler For Rust Hole

Buy on Amazon

We would, of course, be remiss if we didn't mention 3M Metal Filler For Rust Hole for regular usage. The 3m metal filler for rusthole includes bondo professional blue cream hardener. Make sure this fits by entering your model number. The fastest drying bondo product can be sanded in just 15 minutes.

The filler provides a smooth professional finish. In addition, it is very smooth, very easy and it is paintable. Most importantly, the 3m metal filler for rust hole is designed to help home diyers to get the job done faster and easier.

Almost all customers found that the filler makes an excellent top coat over a chopped glass or metat reinforced filler. And, they strongly agree that filler is used to fill in dents and imperfections. To sum up, many buyers have used the fillerfor more than a few months without any complaints, and it shows no sign of giving up.

• Mixes and sands easier which consistently provides a smooth professional finish.
• Spreads easily with excellent vertical hang.
• Sandable in 15 minutes and paintable in 25 minutes.
• Formulated to be non - shrinking and permanently durable.

Best With Fast Shipping: Alvin Metal Filler For Rust Hole

Buy on Amazon

The Alvin Metal Filler For Rust Hole has killer features for the price point. The alvin metalfiller forrust hole is a metal cleaner used to prepare metal surfaces. Alvin products recommends testing the product for each application. Also, the filler can be used as a thinner for lab-metal.

The filler can of hi-temp lab-metal and a 16 oz. In addition, it is best for strong bond, would be perfect for fast shipping and it is industrial. Most importantly, the alvin metal filler for rusthole can be machined, ground, filed and sanded to a smooth finish.

Almost all customers quickly discovered that the filler is great for filling the pit of an old exhaust manifold. And, they also found that the filler is easy to work with and works great, does what they say it does. In conclusion, most buyers find the filler is functionally comfort, and no one questions it.

• This is expensive, but really helps create a smooth seamless weld.
• Lab-solvent can also be used as a thinner for lab-metal.
• Lab-metal is a ready-to-use metal repair putty, dent filler, and patching compound.
• This is good in principle and would have worked well under different circumstances.

Best For Easy Mixing: Bondo Metal Filler For Rust Hole

Buy on Amazon

The Bondo Metal Filler For Rust Hole has killer features for the price point. The bondo metal filler for rust hole includes exact mix pouches which take the guesswork out of figuring out how much filler and hardener to mix, making for easy mixing. Make sure this fits by entering your model number. Also, this includes bondo spreader and bondo metal patch.

Finally, the bondo metal filler for rust holes is excellent for use as part of a complete body repair system from 3m and bondo.

In conclusion, for most customers, Bondo product was the most suitable.

• Kit packaging serves as a mixing board.
• Complete repairs in less than 3 hours.
• This includes enough product for durable, permanent repairs to multiple rust holes.