Looking for the best high‑temperature epoxy putty sticks?
We’ve compared top products and provide a quick guide to help you pick the right one for your heat‑resistant repairs.
High heat demands high-strength fixes. When engines glow, pipes steam, or metal cracks under pressure, ordinary glue melts away. That’s why high-temperature epoxy putty sticks are the trusted solution for pros and DIYers alike.
They hold strong from 200°F to over 1000°F, surviving furnaces, exhaust systems, and hot water lines. Users mold it like clay, apply it fast, and get back to work—no waiting days for cure. J-B Weld and STARBOND lead with proven formulas that resist heat, chemicals, and pressure without failing.
Imagine repairing a leaking manifold mid-job, confident it won’t soften at 500°F. This guide cuts through the noise with real-world tested picks. Stick around—your toughest fix is about to get simple.
List of Top 10 High Temperature Epoxy Putty Sticks
| Image | Title | Best For | Price |
|---|---|---|---|
 |
J-B Weld 8297 HighHeat 500 Degree Epoxy Putty Stick – 2 oz. , Grey |
DIY hobbyists and car owners who need a quick fix for hot parts love this epoxy putty. It gives easy installation and stays strong up to 500 °F. |
|
 |
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 easy-to-use epoxy putty gets the job done fast and strong. |
|
 |
STARBOND 2 oz. White Epoxy Putty Stick – High-Temperature Resistant, BPA-Free Epoxy Repair Putty – Rock-Hard Cure for Automotive, Plumbing, Woodworking & DIY Projects |
DIYers and handy homeowners love this epoxy putty because it bonds metal, plastic, wood, and ceramic with rock-hard strength. |
|
 |
J-B Weld SteelStik, 1 Hour Cure, Steel Reinforced Epoxy Putty Stick – 2 Pack, Dark Grey (8267-2) |
DIY hobbyists and handymen who need a fast, strong fix love this putty. Mechanics, plumbers and anyone who repairs metal, plastic or fiberglass will find it perfect. |
|
 |
STARBOND Epoxy Putty Stick Bundle High-Temperature Resistance (White), General Purpose (Black), Best for Woodworking, Home, Plumbing, and Industrial Repairs, 2 oz |
This STARBOND Epoxy Putty Stick Bundle is perfect for DIY enthusiasts, woodworkers, and anyone who needs to make repairs around the home or in industrial settings. It works well on many surfaces like wood, metal, and plastic, making it a great choice for plumbing and other projects. |
|
 |
J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste – 3 oz |
J-B Weld 37901 ExtremeHeat is perfect for anyone fixing metal in hot places. It’s great for repairs on exhausts, grills, or furnaces. |
|
 |
Ready High Strength Premium Epoxy Putty, 10 Minute Quick Set, High Temperature, Metal, Glass, Wood, Plastic, Ceramic, Stone, Tile, Concrete, Fast Bond, Powerful Adhesive |
This 10 minute quick set putty is great for anyone fixing metal, wood, glass, or concrete. It helps DIY fans, repair pros, and hobby makers who need a strong bond that holds up to 205 °F. |
|
 |
J-B Weld WaterWeld, 1 Hour Cure, Epoxy Putty Stick – 2 Pack, Off-White (8277-2) |
Homeowners who fix leaks and boat owners who need a fast patch love J‑B Weld WaterWeld. It works under water, is safe for potable water, and sets in 1 hour. |
|
 |
STARBOND 2 oz. Black Epoxy Putty Stick – All Purpose, BPA-Free Epoxy Repair Putty – Rock-Hard Cure for Automotive, Plumbing, Woodworking & DIY Projects |
STARBOND 2 oz. Black Epoxy Putty Stick is perfect for DIY lovers, homeowners, and professionals who need a reliable, all-purpose repair solution. Whether fixing automotive parts, plumbing leaks, woodworking projects, or crafts, this rock-hard, temperature-resistant putty works on metal, plastic, wood, and ceramic. Its easy-to-mold, low-odor formula makes repairs clean and hassle-free. |
|
 |
RectorSeal Ep-400 Epoxy 97600 Epoxy Putty with Display, Easy Application, Plumbing, 4 oz. |
This epoxy putty is perfect for homeowners, plumbers, and DIY enthusiasts. It’s easy to use and can fix many surfaces, making it ideal for quick repairs. |
Detailed Reviews
Need the best heat-resistant epoxy putty? We’ve got you covered! This guide highlights the top 10 high-temperature options. Find the perfect putty for your specific repair needs. Let’s explore strong and reliable solutions!
1. J-B Weld 8297 HighHeat 500 Degree Epoxy Putty Stick – 2 oz. , Grey
The J-B Weld 8297 HighHeat Epoxy Putty Stick is a strong and reliable solution for repairs. It withstands heat up to 500 degrees, making it ideal for tough jobs. The 2 oz. grey stick is easy to handle and use.
This epoxy putty is perfect for high-heat applications. It bonds to metal, ceramic, and more, ensuring a durable fix. Its simple design makes repairs quick and hassle-free.
With easy installation, anyone can use it. Just mold, apply, and let it cure. The heat-resistant formula ensures long-lasting results.
| Pros | Cons |
|---|---|
|
|
Perfect For:
DIY hobbyists and car owners who need a quick fix for hot parts love this epoxy putty. It gives easy installation and stays strong up to 500 °F.
Ready to Purchase?
2. J-B Weld 8267 SteelStik Steel Reinforced Epoxy Putty Stick – 2 oz.
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 two-part formula is easy to knead by hand.
It sets in 5 minutes and cures in 1 hour, turning a dark grey color. NSF-certified, it’s safe for potable water contact. It’s strong, with a 900 PSI lap shear strength.
Use it on iron, stainless steel, copper, brass, aluminum, bronze, fiberglass, plastic, and PVC. It’s heat-resistant up to 350°F and chemical-resistant too. Mold, shape, sand, drill, or tap it as needed.
| Pros | Cons |
|---|---|
|
|
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 easy-to-use epoxy putty gets the job done fast and strong.
Ready to Purchase?
3. STARBOND 2 oz. White Epoxy Putty Stick – High-Temperature Resistant, BPA-Free Epoxy Repair Putty – Rock-Hard Cure for Automotive, Plumbing, Woodworking & DIY Projects
Fix it once. Fix it rock-solid. STARBOND White Epoxy Putty delivers a dense, unshakable cure that stays firm—not rubbery—so you can sand, shape, or paint it for repairs that last.
Built to take the heat, this putty holds strong from –20°F to +392°F, making it ideal for cars, pipes, tools, and outdoor fixes.
Mold it smooth. Fill gaps clean. Cure it solid. Works on metal, plastic, wood, and ceramic—no fuss, just reliable repairs every time.
| Pros | Cons |
|---|---|
|
|
Perfect For:
DIYers and handy homeowners love this epoxy putty because it bonds metal, plastic, wood, and ceramic with rock-hard strength.
Auto mechanics, plumbers, and woodworkers trust it for tough repairs that hold up to heat, cold, and daily stress.
Crafters and model builders use its smooth, easy-to-shape formula for precise fixes you can sand, drill, or paint.
And with no BPA and low odor, it’s safe and clean to work with indoors or out—no mess, no fuss, just solid results.
Ready to Purchase?
4. 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 stick designed for quick repairs. It is steel reinforced and does not rust, making it perfect for any metal project.
The curing process is simple. Knead the two parts together by hand. It sets in just 5 minutes and fully cures in 1 hour.
This product has a tensile strength of 4000 PSI and can endure high temperatures. It works on many surfaces like metal, plastic, and fiberglass. With J-B Weld, you can tackle any repair easily.
| Pros | Cons |
|---|---|
|
|
Perfect For:
DIY hobbyists and handymen who need a fast, strong fix love this putty. Mechanics, plumbers and anyone who repairs metal, plastic or fiberglass will find it perfect.
Ready to Purchase?
5. STARBOND Epoxy Putty Stick Bundle High-Temperature Resistance (White), General Purpose (Black), Best for Woodworking, Home, Plumbing, and Industrial Repairs, 2 oz
The STARBOND Epoxy Putty Stick Bundle is perfect for many repairs. It comes in two colors: white and black. This putty sticks well to wood, metal, glass, and more.
With a quick-setting formula, it hardens in just 60 minutes. You can work with it for up to 6 minutes before it sets.
This putty is water-resistant and works in extreme temperatures. It holds up from -29°F to +500°F. Choose STARBOND for strong, lasting fixes.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This STARBOND Epoxy Putty Stick Bundle is perfect for DIY enthusiasts, woodworkers, and anyone who needs to make repairs around the home or in industrial settings. It works well on many surfaces like wood, metal, and plastic, making it a great choice for plumbing and other projects.
Ready to Purchase?
6. J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste – 3 oz
J-B Weld ExtremeHeat is a high-temperature metallic paste. It works up to 1000°F / 537°C. Use it to fix iron, steel, and metal in hot environments.
This paste is non-flammable and safe to use. It has no solvents or harmful chemicals. It creates a permanent bond stronger than steel.
It’s easy to use and versatile. Once cured, you can drill, machine, or sand it. Perfect for fixing exhausts, grills, and furnaces.
| Pros | Cons |
|---|---|
|
|
Perfect For:
J-B Weld 37901 ExtremeHeat is perfect for anyone fixing metal in hot places. It’s great for repairs on exhausts, grills, or furnaces.
Ready to Purchase?
7. Ready High Strength Premium Epoxy Putty, 10 Minute Quick Set, High Temperature, Metal, Glass, Wood, Plastic, Ceramic, Stone, Tile, Concrete, Fast Bond, Powerful Adhesive
Need a fast, strong fix? This epoxy putty is your answer. It sets in just 10 minutes. Get ready for a powerful bond!
This premium putty handles the heat. It resists temperatures up to 205F. Expect a durable hold every time.
Use on metal, wood, plastic, and more. It even works on concrete and tile. It’s your go-to for countless repairs!
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 10 minute quick set putty is great for anyone fixing metal, wood, glass, or concrete. It helps DIY fans, repair pros, and hobby makers who need a strong bond that holds up to 205 °F.
Ready to Purchase?
8. J-B Weld WaterWeld, 1 Hour Cure, Epoxy Putty Stick – 2 Pack, Off-White (8277-2)
Fix leaks fast, even underwater. J-B Weld WaterWeld is a two-part epoxy putty that cures in just 1 hour and sets in 25 minutes. It works wet or dry—perfect for pipes, tanks, and fixtures.
Strong as steel and safe for drinking water. This putty holds with 1300 PSI lap shear strength and resists heat, oil, and chemicals. NSF certified for potable water contact, so it’s safe for sinks, pools, and tanks.
Just mix, apply, and let it harden. No special tools needed—works on metal, plastic, fiberglass, and more. Trust J-B Weld: the world’s strongest bond for DIY repairs that last.
| Pros | Cons |
|---|---|
|
|
Perfect For:
Homeowners who fix leaks and boat owners who need a fast patch love J‑B Weld WaterWeld. It works under water, is safe for potable water, and sets in 1 hour.
Ready to Purchase?
9. STARBOND 2 oz. Black Epoxy Putty Stick – All Purpose, BPA-Free Epoxy Repair Putty – Rock-Hard Cure for Automotive, Plumbing, Woodworking & DIY Projects
STARBOND 2 oz. Black Epoxy Putty Stick is a versatile repair solution for all your DIY needs. It hardens like rock, making it perfect for long-lasting fixes.
This BPA-free putty works on metal, plastic, wood, and ceramic. It’s easy to shape, low-odor, and cures evenly for a clean finish.
| Pros | Cons |
|---|---|
|
|
Perfect For:
STARBOND 2 oz. Black Epoxy Putty Stick is perfect for DIY lovers, homeowners, and professionals who need a reliable, all-purpose repair solution. Whether fixing automotive parts, plumbing leaks, woodworking projects, or crafts, this rock-hard, temperature-resistant putty works on metal, plastic, wood, and ceramic. Its easy-to-mold, low-odor formula makes repairs clean and hassle-free.
Ready to Purchase?
10. RectorSeal Ep-400 Epoxy 97600 Epoxy Putty with Display, Easy Application, Plumbing, 4 oz.
Fix leaks fast. No mess, no special tools. RectorSeal Ep-400 Epoxy Putty is a ready-to-use, steel-hard repair stick that works in minutes. Just knead, apply, and let it cure—strong, waterproof, and permanent.
It bonds to almost anything. Pipes, joints, tanks, metal, even underwater. Drill it, sand it, paint it—it handles like wood once cured. Perfect for pros who need reliable repairs every time.
Tough as steel. Stays sealed at 500°F. Holds up to 1300 psi pressure. Safe, asbestos-free, and built for real jobs. Trust it on plumbing, HVAC, electrical, or marine fixes—wherever the leak or break.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This epoxy putty is perfect for homeowners, plumbers, and DIY enthusiasts. It’s easy to use and can fix many surfaces, making it ideal for quick repairs.
Ready to Purchase?
Buying Guide
High heat demands high-strength fixes. These epoxy putty sticks are your go-to for tough repairs. Let’s find the best one for you.
Engaging Experience:
Imagine fixing a cracked exhaust pipe or sealing a leaky furnace without worrying about heat melting your repair. With the right high-temperature epoxy putty stick, you can tackle any job confidently.
Factors to Consider When Buying:
– Temperature Range: Check if it handles your project’s heat, from 200°F to over 1000°F.
– Cure Time: Quick cures (5–60 minutes) save time, while longer cures ensure strength.
– Material Compatibility: Ensure it bonds to your surface—metal, plastic, wood, or ceramic.
– Strength: Look for high PSI ratings for durable, long-lasting fixes.
– Ease of Use: Moldable, hand-mixable putties make repairs simple and mess-free.
– Chemical Resistance: Choose one that resists oils, water, and chemicals for harsh environments.
– Color Options: Match the repair to your project with grey, white, or black putties.
– Safety: NSF-certified or BPA-free options are safe for potable water or food-related repairs.
– Brand Reliability: Trusted brands like J-B Weld and STARBOND offer proven performance.
Pick the right putty, and your toughest fixes will be simple and strong.