Repair guide
How to Prepare and Compact Cold Patch
Preparation removes weak, loose material from the repair area. Compaction brings the aggregate together so the placed material can resist movement. Both steps matter, but the exact procedure is product-specific.
What to do
- Block the work area from traffic and use the personal protective equipment listed for the product.
- Remove loose asphalt, soil, and debris without undermining sound surrounding pavement.
- Shape or leave the edges exactly as the selected product instructs.
- Place only the specified lift depth.
- Compact evenly with the recommended tool, paying attention to edges as well as the center.
- Repeat in lifts if the data sheet calls for it, then finish to the stated level or crown.
Practical notes
A hand tamper gives more controlled, even pressure than improvised foot traffic.
Deeper repairs may require several separately compacted lifts.
Stop if the surrounding pavement breaks away during preparation.
Common mistakes
- Filling the full depth in one lift when the product calls for layers
- Leaving loose material at the sides
- Using traffic as the only compaction method without product approval
- Working without required eye, hand, or respiratory protection
Limits and professional help
Manufacturer instructions and safety data override this general overview.
A failing or wet base may need correction before any surface patch can perform responsibly.
Related guides
Measure your repair in Patcher.
Open the iPhone app for scan-based measurement and repair-specific guidance.
Download PatcherSources
- FHWA — Materials and Procedures for Repair of Potholes in Asphalt-Surfaced Pavements
- Sakrete — Repairing Damaged Asphalt
- QUIKRETE — Making Permanent Repairs to Asphalt Potholes
Product instructions can change. Confirm the current package, technical data sheet, and safety data for the material you use.