Epoxy putty is a versatile compound for sealing leaks, filling holes, and repairing cracks in plumbing, plumbing fixtures, metal, ceramic, and many other surfaces. This guide highlights five reliable epoxy putties that cover a range of common repair scenarios—from underwater fixes to fast-setting temp repairs. The selections emphasize strength, ease of use, and compatibility with damp or wet environments. Use the summary below to compare core options at a glance.
| Product | Brand | Primary Use | Notes |
|---|---|---|---|
| Fix-It Multi-Purpose Epoxy Putty (4 Oz) | Oatey | Threaded seals, leaks, patching | High-density, tear-resistant |
| Fix-It Multi-Purpose Epoxy Putty Stick (1.33 oz) | Oatey | Convenient quick patches | Hand-mix, steel-filled |
| Epoxy Multi Purpose Repair Putty (2 oz) | Loctite | Underwater and damp surfaces | Two-part system, fast cure |
| Endhokn White Epoxy Putty (10.5 oz) | Endhokn | Metal, ceramics, plastics, wide repairs | Non-shrinking, broad temp range |
| All-Fix 2 Part Epoxy Putty (3/4 lb Kit) | All-Fix | Underwater repairs, general bonding | Cures underwater |
Oatey Fix-It Multi-Purpose Epoxy Putty (4 Oz)

Oatey 31270 Fix-It Multi-Purpose Epoxy Putty provides a clean, positive seal on threaded connections and can be used for various patching tasks. The product is a high-density putty designed to resist tearing and stretching, making application straightforward even on slightly irregular surfaces. Suitable for plumbing and other repair needs, it hardens to form a solid, durable bond.
Key features include a robust density that minimizes deformation during tool-free application and a strength profile that helps maintain seal integrity under pressure. This makes it a practical option for temporary or semi-permanent repairs in household plumbing and similar contexts. The beige to gray color range helps it blend with many fixtures without drawing attention to the repair.
Oatey Fix-It Stick Epoxy Putty (1.33 oz)

This stick form of Oatey’s epoxy putty offers a convenient way to perform quick patches without measuring or mixing. The steel-filled composition hardens in minutes and can be drilled, tapped, filed, sanded, sealed, and painted after curing. It’s suited for small leaks, cracks, and patching tasks where speed matters and a hand-moldable product is preferred.
Because it’s designed for rapid setting, users can address minor repairs rapidly in kitchens, bathrooms, and utility spaces. The white color can help it blend with many surfaces, though it may be visible on darker backgrounds. The formulation supports a broad range of materials, including metal and ceramic substrates.
Loctite Epoxy Multi Purpose Repair Putty (2 oz)

Loctite Epoxy Multi Purpose Repair Putty is a hand-mixable, fast-setting option designed for small emergency repairs. It bonds to damp surfaces and can cure underwater, which is useful for leaks in pipes or fixtures that aren’t easily shut off. The two-part system yields a hard, waterproof bond suitable for a wide range of materials, including metal, plastic, and ceramic.
Application is simple: knead the putty to combine resin and hardener, apply, and allow it to cure. After curing, it can be sanded, drilled, and painted, enabling seamless integration into the repaired area. The product emphasizes reliability for quick fixes and a durable finish in environments prone to moisture.
Endhokn Epoxy Putty (10.5 oz) White

Endhokn’s 10.5-ounce white epoxy putty offers a multipurpose solution for sealing leaks, filling holes, and repairing cracks across metal, ceramics, plastic, wood, tile, and concrete. The product emphasizes underwater and above-water repair capabilities, with a formulation that resists shrinking after curing. It’s designed to endure wear, high and low temperatures, and various loading conditions without substantial deformation.
When cured, the putty remains workable for shaping and sculpting before it fully cures, enabling customized repairs on complex contours. A key benefit is its broad material compatibility, making it suitable for household and industrial projects alike. The white color provides a neutral finish that blends with many surfaces or can be painted over after curing.
All-Fix 2 Part Epoxy Putty Kit (3/4 Lb)

The All-Fix kit delivers a two-part epoxy putty designed for a wide range of repairs, including underwater applications. The putty cures to a rock-hard state and is suitable for drilling, sanding, filing, sculpting, and shaping after cure. It’s positioned as a versatile all-purpose repair material that can bond to many substrates and tolerate wet conditions.
The kit format is convenient for broader projects that require more material and a longer working time before full cure. It supports multiple repair scenarios—from plumbing to structural mending—without needing complex tools or special conditions, though proper surface preparation is always recommended for best adhesion.
Buying Guide: Key Considerations For Choosing Epoxy Putty
- Surface compatibility: Select a putty that bonds well with metal, ceramic, plastic, wood, and concrete if you anticipate mixed materials. Some formulations perform better on damp surfaces or underwater.
- Setting speed: If you need a quick seal, look for fast-setting sticks or two-part systems with a short cure time. For larger or deeper repairs, a slower, more forgiving putty may be preferable.
- Working time vs. cure time: Balance the amount of time you have to shape the putty before it starts to set with the final strength after curing. Longer work times allow precise sculpting; faster cures speed up project completion.
- Underwater performance: For leaks in pools, pipes, or submerged fixtures, choose products explicitly designed to cure underwater without shrinking or sagging.
- Non-shrink properties: A non-shrinking formula helps prevent gaps as the putty hardens, preserving the seal and reducing the need for repeated patches.
- Finish and paintability: If the repair area is visible, select putties that can be painted or color-matched after curing for a cleaner look.
- Durability and temperature resistance: Consider the expected environment. Putty that withstands high/low temperatures and mechanical stress will last longer in demanding settings.
- Amenability to drilling and filing: If you need to drill, tap, or file after curing, verify that the putty hardens in a way that supports these operations without crumbling.
- Size and density: Larger kits are cost-effective for bigger repairs, while sticks and small sticks suit quick, on-the-spot fixes without waste.