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Eventually, your asphalt driveway or parking lot will be a victim of cracks and potholes. If these cracks are not repaired, these defects become so severe that the only solution is replacing the asphalt. Therefore, you need to schedule repairs to correct cracks and potholes.
Asphalt patching is one of the most-cost-effective asphalt repairs. Patching not only improves the appearance but also prevents further damage.
Can you patch asphalt?
Asphalt is susceptible to cracks and potholes. The solution to these defects is either repair or replacement. If you choose to have it repaired, asphalt patching is one of the most effective ways of correcting potholes and cracks.
Generally, there are two types of asphalt patching; cold asphalt filler and hot asphalt filler.
Cold asphalt fillers are DIY friendly; you simply pour the filler into the pothole and wait for it to cure. However, for best results, you should ensure that the bottom of the hole is larger than the top. The dovetail shape firmly secures the patch. Also, before pouring the cold patch filler, remove loose pieces of the old asphalt.
After pouring the filler, use a hand tamper to compact the cold patch.
The curing starts as soon as the filler interacts with the air. For that reason, some products promise that you can drive on the cold patch immediately.
Asphalt crack repair
Cracks are not only potential tripping hazards but also how potholes form. They trap water in the asphalt, which expands when it freezes forming larger cracks and potholes.
For crack repair, you need an asphalt crack filler. Like asphalt cold patch fillers, asphalt crack fillers are easy to use and cure instantly. You simply pour the filler into the crack, smooth it over the surface, and wait for it to dry.
Professional asphalt patching
Cold patch fillers are a DIY thing. If you call professional asphalt repair companies, they will patch using hot mix asphalt (hot patch).
The process involves reheating the asphalt next to the pothole so that it blends with the patch. They also excavate 4-inches deep into the patching area and at least a foot into the surrounding area to provide the patch with strong support. A tack coat goes into the hole before the hot asphalt mix. Back fill also goes into the patched area for proper bonding.
Cold or hot patching: Which one should you use?The obvious answer is hot patching, aka calling a professional asphalt paving company. Hot mix asphalt provides better results in both appearance and durability.
However, you need to consider cost versus the size of the job. Calling a professional to repair one small pothole is wasting money. However, if you have multiple potholes, cold patching will be a lot of work.
Is it better to patch or replace your asphalt parking lot?Asphalt doesn’t last forever. Still, you will not be getting value for your money if you replace it sooner than necessary. Therefore, if your asphalt driveway or parking only has a few cracks and potholes, it is better to patch.
Consider asphalt replacement if:
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