Best Metal Fillers

Looking for the best metal fillers to fix rust, holes, and cracks? Our guide highlights the top 10 metal fillers to help you find the perfect match for your DIY or professional projects.

Metal fillers are essential tools for fixing rust, holes, and cracks. They work on metal, wood, and more, making repairs fast and strong. Whether you’re a DIY enthusiast or a pro, these fillers save time and effort.

Choosing the right filler can make your project last longer and look professional. Our guide highlights the best metal fillers to help you find the perfect match for your needs.

List of Top 10 Metal Fillers

Title	Best For	Price
J-B Weld 8267 SteelStik Steel Reinforced Epoxy Putty Stick – 2 oz.	J-B Weld SteelStik is perfect for anyone who needs to quickly fix or rebuild metal items. Whether you’re working with iron, steel, copper, or even plastic, this steel-reinforced epoxy putty is easy to use and sets in just 5 minutes.	View on Amazon (paid link)
Bondo Metal Reinforced Filler – High Strength Filler, Can be Drilled and Tapped – Will Not Rust, 15 Fl oz with 0.37 oz Hardener	Bondo Metal Reinforced Filler is perfect for professionals who need a strong, rust-free solution for auto and home repairs. It’s ideal for drilling, tapping, or anchoring on metal, wood, masonry, and fiberglass.	View on Amazon (paid link)
Evercoat Body Shop 105013 Metal Reinforced Filler for Repairing Rust and Holes in Aluminum & Galvanized Steel, Corrosion Resistance & Longevity, Easy Mix Hardener Included 13 Fl Oz.	This product is perfect for anyone who needs to repair rust or holes in aluminum or galvanized steel. It’s great for body shops, DIY fans, or anyone wanting strong, long-lasting fixes.	View on Amazon (paid link)
Permatex 25909 Liquid Metal Filler, 3.5 oz.	Permatex 25909 Liquid Metal Filler is perfect for anyone fixing metal, wood, or concrete. It’s great for repairs like cracks, holes, or leaks, and it stands up to water, oil, and gasoline.	View on Amazon (paid link)
DAP Weatherproof Patching Compound, White, 16 Oz (7079818740)	This weatherproof patching compound is perfect for anyone who needs to repair or finish outdoor surfaces. It works great on fiber cement siding, PVC trimboard, vinyl siding, metal, composite, concrete, brick, and wood.	View on Amazon (paid link)
J-B Weld 8276 KwikWeld Quick Setting Steel Reinforced Epoxy – Dark Grey 2 oz	J-B Weld KwikWeld is perfect for anyone who needs a fast, strong fix for DIY projects. Whether you’re working on household repairs, cars, boats, or crafts, this steel-reinforced epoxy gets the job done quickly and reliably.	View on Amazon (paid link)
Bondo Body Filler, Original Formula for Fast, Easy Repair & Restoration of your Vehicle, 00261, Filler 14 oz and 0.5 oz Hardener, 1 Can	Bondo Body Filler is perfect for anyone who wants to fix dents, dings, or scratches on their car, truck, or other vehicles. It’s also great for repairs on wood, metal, or concrete around the home or garage.	View on Amazon (paid link)
J-B Weld SteelStik, 1 Hour Cure, Steel Reinforced Epoxy Putty Stick – 2 Pack, Dark Grey (8267-2)	J-B Weld SteelStik is perfect for anyone who needs to quickly fix or rebuild metal items. Whether you’re a DIY enthusiast or a professional, this steel-reinforced epoxy putty is easy to use and strong enough for any metal repair.	View on Amazon (paid link)
Evercoat Metal-2-Metal Aluminum Reinforced Highly Adhesive Filler for Metal Surfaces – 1100 Grams	Evercoat Metal-2-Metal is perfect for anyone needing strong, long-lasting repairs on metal surfaces. It’s ideal for car owners, DIYers, or professionals working on automotive body repairs or high-stress areas.	View on Amazon (paid link)
J-B Weld Body Filler – Quart – Automotive & Home	J-B Weld Body Filler is perfect for anyone who needs to fix cracks or rust on cars, homes, or other items. It works on metal, wood, and more, dries fast, and is ready to paint.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 metal fillers that combine expert analysis and customer feedback for reliable repairs. Each product is thoroughly reviewed to highlight its strength, durability, and ease of use. Whether you need a quick fix or a long-lasting solution, this guide helps you find the perfect metal filler for your needs. Read on to make your repairs stronger and smoother than ever!

1. J-B Weld 8267 SteelStik Steel Reinforced Epoxy Putty Stick – 2 oz.

Fix steel fast. This strong putty works well.

Cut the bar. Mix it by hand. Plug the leak now.

Pros	Cons
Repairs metal fast with steel-reinforced epoxy putty. Sets in 5 minutes, cures in 1 hour for quick fixes. Withstands heat up to 450°F and resists chemicals. Safe for water contact, NSF certified for potable water.	Can be messy to knead by hand Has a short working time before it sets Dark grey color may not match all surfaces

Perfect For:

J-B Weld SteelStik is perfect for anyone who needs to quickly fix or rebuild metal items. Whether you’re working with iron, steel, copper, or even plastic, this steel-reinforced epoxy putty is easy to use and sets in just 5 minutes.

Ready to Purchase?

View Price on Amazon (paid link)

2. Bondo Metal Reinforced Filler – High Strength Filler, Can be Drilled and Tapped – Will Not Rust, 15 Fl oz with 0.37 oz Hardener

This metal filler is very strong. It will not rust.

It dries fast. You can drill it easily. It works on metal and wood.

Pros	Cons
Aluminum-reinforced for extra strength and easy spreading. Fast-dry formula lets you sand in 20 minutes. Drill, anchor, or tap it for strong repairs. Rust-free metallic finish for auto and home use.	Not for home use – only for industrial/occupational purposes. Quick drying – leaves little time for mistakes or adjustments. Metallic finish – may not match all repair surfaces or colors.

Perfect For:

Bondo Metal Reinforced Filler is perfect for professionals who need a strong, rust-free solution for auto and home repairs. It’s ideal for drilling, tapping, or anchoring on metal, wood, masonry, and fiberglass.

Ready to Purchase?

View Price on Amazon (paid link)

3. Evercoat Body Shop 105013 Metal Reinforced Filler for Repairing Rust and Holes in Aluminum & Galvanized Steel, Corrosion Resistance & Longevity, Easy Mix Hardener Included 13 Fl Oz.

Evercoat Body Shop 105013 Metal Reinforced Filler for Repairing Rust and Holes in Aluminum & Galvanized Steel, Corrosion Resistance & Longevity, Easy Mix Hardener Included 13 Fl Oz.

Evercoat Body Shop Metal Reinforced Filler is perfect for fixing rust and holes in aluminum and galvanized steel. It offers strong adhesion and long-lasting strength for reliable repairs.

This filler resists corrosion and impact, making it ideal for tough environments. It’s also easy to sand and shape for a smooth, professional finish.

Waterproof and stain-proof, it keeps repairs clean and flawless. You can even drill and tap it for extra customization.

Pros	Cons
Strong adhesion for lasting repairs on metal surfaces. Resists rust and impact for durable fixes. Sands easily for a smooth, professional finish. Waterproof and stain-proof to keep repairs clean. Drillable and tappable for versatile use after curing.	Not for plastic or fiberglass, limits repair options. Requires mixing, adds extra steps to application. Small size, may run out quickly for large repairs.

Perfect For:

This product is perfect for anyone who needs to repair rust or holes in aluminum or galvanized steel. It’s great for body shops, DIY fans, or anyone wanting strong, long-lasting fixes.

Ready to Purchase?

View Price on Amazon (paid link)

4. Permatex 25909 Liquid Metal Filler, 3.5 oz.

Permatex Liquid Metal fixes metal, wood, and concrete. It sticks well to galvanized metal.

This filler plugs leaks and cracks. It fills small holes fast. It resists water, oil, and gas.

Pros	Cons
Works on many surfaces: metal, wood, and concrete. Strong grip on galvanized metal. Fills cracks and small holes fast. Seals leaks in cast metal parts. Resists water, oil, and gas.	Not for large holes or deep cracks. Takes time to dry, needs patience. Strong smell, use in well-ventilated areas.

Perfect For:

Permatex 25909 Liquid Metal Filler is perfect for anyone fixing metal, wood, or concrete. It’s great for repairs like cracks, holes, or leaks, and it stands up to water, oil, and gasoline.

Ready to Purchase?

View Price on Amazon (paid link)

5. DAP Weatherproof Patching Compound, White, 16 Oz (7079818740)

Fix holes fast. This white paste fills gaps. It stays strong outside.

It stops leaks well. Use it for easy repairs.

The patch dries quick. It will not crack. Buy this useful tool now.

Pros	Cons
Stops rain in just one day. Works on wood, brick, and metal. Won’t crack or peel in the sun. Paint it for a perfect look. Strong seal that stays white.	Small size may not cover big repairs. Needs 24 hours to fully cure. White finish may need paint to match.

Perfect For:

This weatherproof patching compound is perfect for anyone who needs to repair or finish outdoor surfaces. It works great on fiber cement siding, PVC trimboard, vinyl siding, metal, composite, concrete, brick, and wood.

Ready to Purchase?

View Price on Amazon (paid link)

6. J-B Weld 8276 KwikWeld Quick Setting Steel Reinforced Epoxy – Dark Grey 2 oz

J-B Weld Kwikweld is a fast-setting epoxy that makes strong, lasting repairs on many surfaces. It works quickly and is easy to use.

It sets in 6 minutes and cures in 4 to 6 hours. You can tap, fill, sand, mold, and drill it. The color is dark grey when set.

Pros	Cons
Quick-setting epoxy for strong, lasting repairs in just 6 minutes. Steel-reinforced formula withstands heat up to 230°F. Waterproof and chemical-resistant for tough, durable fixes. Versatile use on metal, wood, plastic, and more.	Quick setting may leave little room for errors or adjustments. Dark grey color might not match all surfaces or projects. 4-6 hours to fully cure could delay immediate use.

Perfect For:

J-B Weld KwikWeld is perfect for anyone who needs a fast, strong fix for DIY projects. Whether you’re working on household repairs, cars, boats, or crafts, this steel-reinforced epoxy gets the job done quickly and reliably.

Ready to Purchase?

View Price on Amazon (paid link)

7. Bondo Body Filler, Original Formula for Fast, Easy Repair & Restoration of your Vehicle, 00261, Filler 14 oz and 0.5 oz Hardener, 1 Can

Bondo Body Filler makes car repair fast. It fixes dents and holes with ease.

This filler dries in minutes. It is strong and very smooth. Your vehicle will look new again.

Pros	Cons
It dries fast to save time. It is easy to mix well. Use it to fix small dents. It sands smooth with ease. This product stays strong and firm.	Sets too fast for beginners. Has a strong smell during use. Requires quick application before it hardens.

Perfect For:

Bondo Body Filler is perfect for anyone who wants to fix dents, dings, or scratches on their car, truck, or other vehicles. It’s also great for repairs on wood, metal, or concrete around the home or garage.

Ready to Purchase?

View Price on Amazon (paid link)

8. J-B Weld SteelStik, 1 Hour Cure, Steel Reinforced Epoxy Putty Stick – 2 Pack, Dark Grey (8267-2)

J-B Weld SteelStik is a hand-mixable epoxy putty that’s steel-reinforced and non-rusting. It’s perfect for quick metal repairs or rebuilding. The 2-pack comes in dark grey and is NSF-certified for safe water contact.

It sets in 5 minutes and cures in 1 hour. Once cured, it’s strong, heat-resistant, and chemical-proof. You can mold, shape, sand, drill, or tap it easily.

Use it on iron, steel, copper, brass, aluminum, fiberglass, plastic, and PVC. Whether it’s a big or small fix, J-B Weld SteelStik delivers the world’s strongest bond for DIY projects.

Pros	Cons
Quickly fix metal items with steel-reinforced epoxy putty. Sets in 5 minutes, cures in 1 hour for fast repairs. Withstands heat up to 450°F and resists chemicals. Safe for water contact, NSF certified for potable water.	Short working time means you must apply it quickly before it sets. Dark grey color may not blend well with all surfaces. Needs thorough kneading to mix properly for a strong repair.

Perfect For:

J-B Weld SteelStik is perfect for anyone who needs to quickly fix or rebuild metal items. Whether you’re a DIY enthusiast or a professional, this steel-reinforced epoxy putty is easy to use and strong enough for any metal repair.

Ready to Purchase?

View Price on Amazon (paid link)

9. Evercoat Metal-2-Metal Aluminum Reinforced Highly Adhesive Filler for Metal Surfaces – 1100 Grams

Evercoat Metal-2-Metal is a tough, long-lasting filler for metal surfaces. It resists corrosion and lasts longer than regular fillers. Use it for strong, waterproof repairs in high-stress areas.

This filler works on steel, aluminum, and more. It’s easy to sand with 80 grit sandpaper, making repairs quick and simple.

Pros	Cons
Long-lasting and corrosion-resistant for durable metal repairs. Easy sanding with 80 grit for smooth finishes. Waterproof and impact-resistant for high-stress areas. Versatile use on steel, aluminum, and more.	Higher cost than standard fillers Requires 80 grit sandpaper for best results Difficult removal if mistakes occur

Perfect For:

Evercoat Metal-2-Metal is perfect for anyone needing strong, long-lasting repairs on metal surfaces. It’s ideal for car owners, DIYers, or professionals working on automotive body repairs or high-stress areas.

Ready to Purchase?

View Price on Amazon (paid link)

10. J-B Weld Body Filler – Quart – Automotive & Home

J-B Weld Body Filler fixes cracks and rust fast. It works on metal, wood, fiberglass, and more. The filler is waterproof and very strong.

It dries in just 30 minutes. You can sand and paint it easily for a smooth finish.

Pros	Cons
Fixes cracks and rust on metal, wood, and more. Dries fast in just 30 minutes. Sandable, paintable, and waterproof for perfect finishes. Works on cars, homes, and various surfaces.	Two-part mix needed, can be messy and tricky. Not instant, takes 30 minutes to dry fully. Requires sanding, extra step before painting.

Perfect For:

J-B Weld Body Filler is perfect for anyone who needs to fix cracks or rust on cars, homes, or other items. It works on metal, wood, and more, dries fast, and is ready to paint.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Metal fillers fix rust, holes, and cracks fast. They work on metal, wood, and more, saving time and effort.

Choosing the right filler makes repairs stronger and longer-lasting. Our guide helps you find the best metal filler for your needs.

Here’s what to consider when buying:

Type of Repair:
Pick a filler for small holes, leaks, or large cracks. Some are best for metal, others for wood or concrete.
Strength:
Look for high-strength fillers that resist impact and corrosion. They last longer in tough environments.
Drying Time:
Choose fillers that dry fast if you need quick fixes. Some cure in minutes, others take hours.
Ease of Use:
Go for fillers that are easy to mix, sand, or shape. This makes repairs smoother and more professional.
Waterproof & Rust-Proof:
Pick fillers that resist water, oil, and rust. They keep repairs clean and strong.
Versatility:
Some fillers work on metal, wood, plastic, and more. Choose one that fits all your projects.
Finish:
Look for fillers that are easy to sand and paint. This gives a smooth, professional look.
Size & Quantity:
Buy the right amount for your project. Some come in small packs, others in bulk.

With these tips, you’ll find the perfect metal filler for any job.