FAQs

To help give you a better idea of what you can expect at Road Doctors, we have put together a quick list of frequently asked questions to help answer any questions you may have. If you have any additional questions, feel free to contact us by filling out our contact form. 

​

What Is Asphalt Patching?

Asphalt patching is a process used to repair asphalt pavements that have been damaged due to wear and tear, potholes, and cracks. This process involves removing the damaged area of the pavement, cleaning it thoroughly, and filling it with hot asphalt mixture.

​

What Is Spray Injection Patching?

Spray injection patching is a quick, cost-effective and long-lasting road repair technique that uses specially designed equipment to mix and spray a mixture of aggregate and emulsion or asphalt binder over damaged areas on asphalt pavements. The mixture is then compacted using a roller until it is level and smooth. This technique has been found to be highly efficient in preserving and extending the life of roads and reducing motorist discomfort. Spray injection patching allows for a quicker return to service for the repaired roads compared to other traditional methods, making it a preferred choice for both public and private sectors.

 

How Long Does Spray Injection Patching Repair Last?

The longevity of spray injection patching depends on a variety of factors, such as the severity and frequency of traffic loads, climate conditions, and maintenance practices. Generally, when applied correctly, spray injection patching can last several years and provide durable and high-quality pavement repairs.

​

What Can Spray Injection Patching Repair?

Road Doctors Spray Injection Patchers effectively repairs a wide variety of pavement conditions including potholes, deteriorated shoulders, utility cuts, fissures, and alligator cracked areas.

 

What Is The Process Of Spray Patching?

The process of spray patching is relatively easy and can be done quickly and effectively with one of our Spray Injection Patching machines. Here is the typical process we use for spray patching:

 

• Blow any dust or debris out of potholes.

• Thoroughly tack coat potholes, spalling, cracks, or shoulder falloffs with CRS-2 Cationic Emulsion.

• Spray inject aggregate while coating aggregate thoroughly with emulsion.

• Lightly cover patches with dry rock, so following traffic can immediately drive over.