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Whether it's due to heavy traffic or extreme weather conditions, filling in potholes is a crucial part of smart asphalt maintenance to protect the material as well as vehicles.
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Different Types of Pothole Repair
There are many ways to approach pothole repair. Below are some of the methods you may encounter when hiring an asphalt contractor.
If you are looking for a fast, permanent solution to pothole repair, infrared patching is the way to go. Not only does this method use recycled asphalt, but it also creates a seamless weld that prevents water penetration and offers an attractive solution for potholes. It is also a much greener option than other conventional methods. A random sampling of specification sheets shows that few pothole repair projects are using infrared repair.
Infrared patching takes between 20 and 30 minutes to complete and traffic can continue shortly after. To perform the procedure, the area to be repaired is marked. A 6' x 8' infrared unit heats the asphalt. After heating, the asphalt is raked away and new asphalt laid down. In the meantime, cracked surfaces continue to deteriorate and cause more damage. This leads to higher repair costs and an increased risk of accidents.
There are two main types of pothole repair methods: the throw-and-roll method and the spray-in method. The former is used to temporarily patch a pothole, while the latter involves repairing it permanently. In the throw-and-roll method, the pothole is filled with asphalt patch materials, which are then rolled over by heavy vehicles. The throw-and-roll method is a temporary solution, which is why it's commonly used during the winter when the roads are most likely to be damaged. However, the method is very labor-intensive and expensive.
When you use the "throw-and-roll" method, you simply shovel the patch into the pothole and roll it into place. This method is usually used during the winter months because it does not require compaction. The throw-and-roll method is more effective when using high-quality materials, which will ensure the pothole patch stays intact and lasts for a long time. However, it only works well in sub-zero temperatures.
One of the most common and effective pothole repair methods is to use a surface seal. The idea behind this type of repair is to fill the pothole with a material that binds to the surface and is flexible enough to go into cracks and other areas of the road. This material is relatively inexpensive, and it can be applied easily by hand, without the need for special equipment. After preparing the area, the surface seal can be applied.
Crack sealing is best done in moderate temperatures and immediately after the crack has developed. It's crucial to route out and clean out cracks before applying sealant. Fog seal is a light application of diluted asphalt emulsion that will restore flexibility to aged pavement. It may also postpone the need for a BST or non-structural overlay. While fog seals aren't always effective for pothole repair, they may be an excellent option for pothole repair.
Full-depth patching is the preferred method for repairing potholes. Full-depth patching involves the application of asphalt over an existing pothole. The materials used must be fresh hot asphalt plant mix and meet the requirements set forth by the Colorado State Highway Specifications. You can request a manufacturer's certification upon request. Full-depth patching will increase the strength and durability of the asphalt overlay. Listed below are some tips on how to patch a pothole using full-depth patching.
Full-depth patching requires removing four inches or more of the top layer of asphalt or concrete. In some cases, excavation tools may be necessary. This process is more difficult and may require removal of drainage or sub-grade. The patch is then filled with a dense hot mix asphalt mixture and leveled. A well-filled patch is slightly overfilled. It may be necessary to repair drainage beneath the damaged area before applying the asphalt patch.