Infrared asphalt repair is the right call for surface-level damage sitting on a sound base: potholes, seam failures, and utility-cut patches where the subgrade underneath hasn’t given out. It delivers a seamless, reheated bond with minimal waste and reopens to traffic fast. Its one hard limit is depth. If the base has failed, infrared won’t fix it.
TL;DR:
- Infrared repair is effective only on shallow surface damage and cannot address base failures or soft spots that extend below 1.5 to 3 inches.
- Proper application requires heating to 300-350°F, even heating across the surface, and the use of rejuvenator to restore flexibility and improve patch longevity.
- Costs typically range from $2 to $6 per square foot, with repairs completed and open to traffic within 30 to 60 minutes after completion.
- The success of infrared repairs heavily depends on operator training, proper rejuvenator use, and thorough compaction to ensure durability.
- In cases of extensive cracking, soft subgrade, or standing water, full-depth repair is necessary instead of infrared patching for long-term stability.
Table of Contents
- How Infrared Asphalt Repair Works, Step by Step
- Is Your Pavement Damage Right for Infrared Repair?
- Infrared Repair vs. Cut-and-Replace: What Changes
- What Infrared Repair Costs and How Long It Takes
- Choosing a Contractor: What to Ask Before You Sign
- What We’ve Learned Doing This Work Across the GTA
- Why Property Owners Overthink This Decision
- Ready for an On-Site Infrared Repair Estimate?
- Sources
How Infrared Asphalt Repair Works, Step by Step
Infrared repair doesn’t remove and replace asphalt. It reheats what’s already there, blends in fresh material, and compacts it back into a single, bonded surface. Our crews follow a sequence that hasn’t changed much in principle since the technology matured, though the equipment has gotten more precise.
- Clean and mark the area. Debris, standing water, and loose aggregate get cleared, and the repair boundary gets marked slightly larger than the visible damage.
- Position the infrared heater. The panel sits over the damaged asphalt and a few inches beyond it, so the edges soften along with the center. This is what eliminates the cold seam you get with cut-and-patch work.
- Heat to working temperature. Target range runs roughly 300 to 350°F, softening the top 1.5 to 3 inches of pavement into a workable, plastic state. Heating time varies with ambient temperature, pavement age, and depth, typically 7 to 15 minutes.
- Rake and scarify. Once soft, the surface gets raked to break it up and expose fresh aggregate for bonding.
- Apply rejuvenator. A maltenes-based rejuvenator restores flexibility to aged binder that has oxidized over time, a step that training manuals treat as non-negotiable because skipping it produces a patch that looks fine and fails early.
- Blend in fresh hot-mix. New material gets worked into the reheated asphalt so the patch matches surrounding grade and density.
- Compact. A vibratory compactor locks the blended mix into a single mass with no visible seam.
A typical crew runs an infrared heater, a hot box for fresh mix, hand rakes, and a compactor. That’s a small footprint compared to full excavation equipment.
Pro Tip: Ask your contractor to move the heater slowly across the surface rather than leaving it stationary. Controlled, dynamic heating produces a more uniform temperature profile and reduces the risk of scorching the surface, which weakens the bond instead of strengthening it.
Is Your Pavement Damage Right for Infrared Repair?
Infrared repair works best on distress that stays close to the surface. Once the problem reaches the subgrade, reheating the top layer just delays a bigger fix.
Good candidates for infrared repair include:
- Shallow to medium potholes with intact surrounding pavement
- Seam failures between old and new asphalt sections
- Raveling and surface deterioration from age or oxidation
- Utility cut patches that need to blend into existing pavement
Signs you need full-depth repair instead:
- Alligator cracking covering more than 25% of the area
- Soft or spongy spots when you walk or drive over them
- Standing water that won’t drain after rain
- Edges that keep failing even after previous patch attempts
A simple probe test with a steel bar at multiple points can reveal soft subgrade before you commission any repair. If the bar sinks or the base feels loose, call for a structural evaluation before anyone reaches for an infrared heater.
Infrared Repair vs. Cut-and-Replace: What Changes
The two methods solve the same problem differently, and the trade-offs are real in both directions.
Advantages of infrared repair:
- Traffic returns in about 30 to 60 minutes versus hours or days for cut-and-replace
- No cold joint, since the existing and new asphalt fuse into one thermal bond
- Recycles the asphalt already on site instead of hauling it to landfill
- Often runs 20 to 50% cheaper than full excavation, depending on scope
Drawbacks worth weighing:
- Limited to shallow depths, so it can’t address base failure
- Outcome depends heavily on operator skill and rejuvenator use
- A rushed job with poor compaction can shorten lifespan well below what the method is capable of
Repairs that skip proper rejuvenator application or compact too early are the single biggest reason infrared patches fail early, according to industry process breakdowns.
What Infrared Repair Costs and How Long It Takes
Budgeting for infrared repair depends on repair size, site access, and how much rejuvenator and fresh mix the job needs. Most small jobs land in a predictable range, and pricing gets more efficient as volume increases.
- Cost typically runs $2 to $6 per square foot, with small individual repairs often priced between $100 and $450
- Site access, mix design, and the amount of rejuvenator required all shift price up or down
- Heating takes 7 to 15 minutes, followed by raking, rejuvenator application, and compaction
- Full traffic reopening happens in roughly 30 to 60 minutes per repair
- Bundling multiple repairs into one visit (a parking lot with several potholes, for example) usually lowers the cost per unit
Property managers handling several properties often save the most by scheduling repairs around seasonal weather windows, since ambient temperature affects both heating time and cure quality.
Choosing a Contractor: What to Ask Before You Sign
Not every contractor who owns an infrared heater uses it correctly. The equipment is only as good as the operator running it, so your questions should focus on process, not just price.
- Ask about training. Has the crew completed infrared-specific training, or are they applying general paving knowledge to a different tool?
- Ask what temperature they target. A contractor who can’t give you a number in the 300 to 350°F range likely isn’t monitoring it closely.
- Ask whether they use a rejuvenator, and which one. Maltenes-based products compatible with hot-mix binders are the standard; a crew that skips this step is cutting a corner that shows up within a year or two.
- Ask for photos of past infrared repairs, ideally at multiple ages so you can see how the patch held up over time.
- Ask about warranties and references. A contractor confident in their process will offer both without hesitation.
Pro Tip: If a crew shows up without a compactor, that’s a red flag regardless of how good their heater is. Compaction locks the repair together, and skipping it or rushing it is the fastest way to a patch that fails within a season.
For a deeper look at why trained crews matter across all asphalt work, not just infrared repairs, see why hiring experienced contractors pays off.
What We’ve Learned Doing This Work Across the GTA
Asphaltworkx applies infrared-capable repair techniques alongside full-depth paving, crack filling, and pothole repair across residential and commercial properties in the Greater Toronto Area. Our experience tells us the method earns its reputation when the damage is genuinely surface-level, and it disappoints fast when it’s used to mask a base problem instead of fixing it.
We recommend infrared repair for isolated potholes, seam failures, and utility patches where the surrounding pavement is sound. When we find soft spots or extensive cracking during inspection, we recommend full-depth repair instead, even though it costs more upfront. Readers weighing their options can review examples of pavement restoration that held up over time before booking an on-site assessment.
Why Property Owners Overthink This Decision
Most of the confusion around infrared repair comes from treating it as either a miracle fix or a gimmick. It’s neither. It’s a legitimate technique with a narrow, well-defined job: fixing surface damage without disturbing the base underneath.
The conventional advice online tends to oversell it, listing it as a universal pothole solution without mentioning that a failed subgrade will chew through any surface patch within months. That’s not a flaw in the method. It’s a mismatch between the tool and the problem.
What we’d tell any property owner or facility manager first: get the base checked before you get quotes. A five-minute probe test tells you more about what repair you actually need than three contractor estimates will. Once you know the base is sound, infrared repair is often the faster, cleaner, less wasteful choice, and it’s worth prioritizing over cut-and-replace for that reason alone.
— Asphalt
Ready for an On-Site Infrared Repair Estimate?
Asphaltworkx handles infrared-capable pothole repair and full-depth paving across the Greater Toronto Area, so you get the right fix rather than the only fix a crew happens to offer.
We inspect the base before recommending a repair method, document our work with photos, and back completed jobs with warranties on both residential driveways and commercial lots. If your pavement has isolated potholes, seam failures, or utility cuts and you’re not sure whether infrared repair or full-depth work is the right call, request an on-site assessment through our pothole repair services page. We’ll tell you honestly which method fits your situation, and give you a straightforward quote before any work starts.
Sources
- FHWA report: Guidance on pothole and patching procedures (LTPP/SHRP update)
- Infrared patching: how it works, equipment, and use cases — GetOneCrew
- Infrared training procedure (KM International)
- Experimental study on infrared pre-heating for patch repairs (scientific article)
- Asphalt Magazine: Preventing and repairing potholes and pavement cracks