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Cold Mix Pothole Repair Products

Cold mix is the category of pothole repair product that's transformed pavement maintenance over the last decade. Pre-mixed at the factory, bagged at ambient temperature, applied without heat or specialist plant, and trafficable as soon as it's compacted — cold-mix gives one operator with hand tools the same end result a paving crew would deliver with hot mix.

Road Solutions AUS manufactures the four-gauge cold-mix range used by councils, contractors, facilities teams and homeowners across Australia. This page explains how cold-mix works, when to use which grade, and why it has become the default for pothole repair on existing pavement.

Key facts

Format
Pre-mixed cold-patch in bags / buckets
Heating
Not required
Tack coat
Not required
Application temp
-26 °C to 49 °C
Cure
Trafficable immediately
Shelf life
12 months sealed

How cold-mix asphalt actually works

Conventional hot-mix asphalt relies on temperature: at 140–160 °C the bitumen binder is fluid enough to coat the aggregate, so when it cools on the road the bond locks together. Cold-mix replaces that thermal mechanism with chemistry. A co-polymer binder coats the aggregate at factory temperature and stays workable in the bag.

When you compact the mix in the pothole, the impact and pressure activate the polymer system. The binder grips the aggregate, the aggregate interlocks with the void's walls, and the whole patch chemically bonds to the surrounding pavement. The result is a permanent, structural repair laid without any heat input at all.

Four gauges, one chemistry

The Road Solutions AUS cold-mix range shares the same binder system across four aggregate sizes. That makes the choice simple: pick the gauge that matches your repair depth and traffic load, knowing the chemistry is identical.

5 Gauge for fine surface repairs, 7 Gauge as the all-purpose default, 10 Gauge for highway-spec heavy traffic, 14 Gauge for deep voids. Premium Performance and High Performance variants give you finer or coarser finishes on the same gauge.

  • 5 Gauge Mix — 5 mm aggregate, fine driveway and footpath finish
  • 7 Gauge Mix — 7 mm aggregate, most-used all-rounder
  • 10 Gauge Mix — 10 mm aggregate, polymer-loaded for highways
  • 14 Gauge Mix — 14 mm aggregate, deep-fill structural repair

Where cold-mix outperforms hot-mix

Cold-mix wins decisively whenever the job is small, remote, time-sensitive or weather-dependent. Pothole repairs, edge breaks, utility cuts, trench reinstatement, emergency callouts, after-hours work, alpine repairs in winter, tropical repairs in a downpour — these are situations where hot-mix logistics break down but a bag of cold mix is a 15-minute fix.

Hot-mix still wins for large planned resurfacing where a paver, rollers and a hot-mix plant within a 90-minute drive are economic. For repair work specifically, cold-mix is faster, cheaper, more weather-tolerant and lasts as long when applied correctly.

Application without specialist equipment

A complete cold-mix repair takes one person and hand tools. The only equipment needed is something to compact with — a hand tamp for small repairs, a vibratory plate for medium ones, or a vehicle tyre and a passenger for larger ones. No kettle, no torch, no paver, no tack-coat sprayer, no roller crew.

That accessibility is the practical reason cold mix has become the standard repair product. A council road crew can carry stock on the truck and patch as they drive. A maintenance contractor can dispatch a single technician. A homeowner can do a driveway dip on a Saturday.

Cold-mix economics

Per kilogram, cold-mix is a small premium over a generic emulsion-based throw-and-go patch — but per successful permanent repair it is dramatically cheaper. Throw-and-go typically ravels out within months and gets re-patched two to ten times before someone runs the numbers and switches.

Cold mix from Road Solutions AUS is backed by a replace-if-it-fails guarantee. That's the manufacturer's confidence that the chemistry holds — and the contractual mechanism that makes the lifetime cost comparison real.

Storage and stockpiling

Cold-mix bags and buckets keep for 12 months sealed in their original packaging, stored out of direct sunlight. That makes the product practical for storm-response stockpiling, depot inventory, and pre-positioned stock at remote sites where supply windows are limited.

Open product can be re-sealed and used within the same shelf-life window — keep it in the bucket or fold the bag and tape it shut.

Frequently asked

Common questions

Talk to an asphalt specialist today

Volume pricing, freight quotes Australia-wide, and product advice from people who use this gear every day. Call 1300 789 967 or request a quote online.