


🔥 Fix it once, fix it forever — the ultimate heatproof metal miracle!
J-B Weld ExtremeHeat is a 3 oz metallic paste designed for high-temperature metal repairs up to 1000°F (537°C). It forms a permanent, steel-strong bond without flames or solvents, making it perfect for exhausts, grills, and furnaces. Once cured, it can be drilled or sanded, offering versatile, durable, and safe repair solutions for professionals and DIYers alike.




| Brand | J-B Weld |
| Specific Uses For Product | ['Repair', 'High Temperature Environments'] |
| Material | Metal, Aluminum |
| Item Form | Paste |
| Special Feature | Heat Resistant |
| Color | Grey |
| Item Package Quantity | 1 |
| Package Information | Tube |
| Item Volume | 3 Fluid Ounces |
| Viscosity | High |
| Full Cure Time | 24 Hours |
| Water Resistance Level | Waterproof |
| Unit Count | 3.0 Ounce |
| Viscosity Level | High |
| UPC | 043425379016 043425700285 |
| Global Trade Identification Number | 00043425379016 |
| Manufacturer | JBWeld |
| Model | ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz |
| Item Weight | 3.04 ounces |
| Product Dimensions | 1.57 x 1.57 x 2.05 inches |
| Item model number | 37901 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 37901UK |
| Special Features | Heat Resistant |
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