Concrete cracks and gaps can compromise structural integrity and aesthetics. The following epoxy-based fillers and repair kits are designed to restore strength, seal leaks, and create a smooth, durable finish for both indoor and outdoor concrete surfaces. Each product is selected for strong bonding, ease of use, and performance in varying conditions.
| Product | Brand | Key Benefit |
|---|---|---|
| PC Products 72561 PC-Concrete | PC Products | High-tack, moisture-resistant paste for cracks and anchors |
| Polygem LCR Epoxy Kit | LCR | High-performance leak-stopping and structural bonding |
| PC-Concrete Epoxy Adhesive Paste (102 oz) | PC Products | Large-volume two-part epoxy for cracks and anchoring |
| ABATRON Abocrete Kit | Abatron | Self-leveling concrete patching and resurfacing |
| MPC-135 Epoxy Crack Filler | Master Protective Coatings | Versatile, durable epoxy crack and joint repair |
Note: All selections accommodate indoor and outdoor use, with varying cure times and application temperatures. Consider surface condition, crack width, moisture levels, and required cure time when choosing an epoxy filler for concrete repair.
PC Products 72561 PC-Concrete Two-Part Epoxy Paste

Features a two-part epoxy adhesive paste designed to fill and repair cracks in concrete and to anchor threaded rods, bolts, and dowels into concrete, grout-filled blocks, and unreinforced masonry. The high-tack formulation resists moisture, enabling vertical applications in damp or humid environments. Suitable for indoor and outdoor use with an application temperature range of 35 to 115 degrees F and a service range of -20 to 115 degrees F.
Polygem LCR Epoxy Concrete Crack Repair Kit

High-performance concrete crack repair kit for professional-grade bonding and leak stopping. Designed to seal and repair cracks effectively, the epoxy formula provides reliable long-term bonding, restoring structural integrity and reducing water intrusion. Suitable for various concrete structures, offering strong, durable performance in repairs and reinforcements.
PC Products PC-Concrete Epoxy Adhesive Paste (102 oz in Two Pails)

This large-volume two-part epoxy adhesive paste is designed to fill and repair concrete cracks and to anchor threaded rods, bolts, and dowels into concrete, grout-filled block, and unreinforced masonry. It combines moisture resistance with the ability to be applied in damp environments and vertical surfaces. Operating temperatures range from 35 to 115 degrees F for application and -20 to 115 degrees F for service.
MPC-135 Epoxy Crack Filler

Fast-curing epoxy crack filler designed for vertical and horizontal repairs across floors and walls. Noted for versatility with adhesion to concrete, masonry, wood, metal, and plastic. This industrial-grade kit offers durable, smooth repairs with low VOC content, suitable for indoor use without strong odors.
ABATRON Abocrete Kit

This self-leveling concrete epoxy patching and filling compound bonds, levels, fills, rebuilds, and resurfaces concrete and other rigid surfaces. Itβs ideal for repairing pitted, spalled, worn, or cracked concrete and salt-damage repairs. The product is GREENGUARD certified with very low VOCs, offering a low-odor, safer repair option for indoor environments.
PC Products PC-Concrete Two-Part Epoxy Adhesive Paste (3-Pack)

Three-pack of the PC-Concrete epoxy adhesive paste provides multiple tubes for crack repair and anchoring needs. The product offers high-tack properties, resistance to moisture, and suitability for damp environments, with the same temperature ranges for application and service as other PC-Concrete formulations.
Buying Guide: Key Purchase Considerations
Before selecting an epoxy filler for concrete, assess the following factors to ensure a durable and lasting repair:
- Crack width and type: Hairline cracks versus larger gaps may require different formulations or kits with flow control and leveling properties.
- Moisture and humidity: Moisture-resistant or moisture-tolerant pastes perform better in damp or leaking conditions.
- Bonding surface: Some products are designed for concrete only; others work on masonry, wood, metal, or plastic. Ensure compatibility.
- Application temperature and cure time: Indoor projects may benefit from shorter cure times, while outdoor repairs may require longer working times.
- Vertical vs. horizontal application: High-tack pastes and thixotropic formulas are preferable for vertical surfaces to prevent drooping.
- Environmental considerations: GREENGUARD or low-VOC formulations are preferable for indoor, occupied spaces.
- Volume needs: For larger projects, consider kit sizes or bulk formulations to reduce cost and minimize waste.
Comparison at a glance helps identify the best option for your project: PC-Concrete offerings emphasize moisture resistance and anchor capabilities; Polygem LCR addresses leak repair and structural bonding; ABATRON Abocrete focuses on self-leveling resurfacing; MPC-135 provides versatile crack filling with broad adhesion. Always follow manufacturer instructions for surface prep, mixing ratios, cure times, and safety guidelines.