One of the most affordable and convenient methods for small-scale asphalt mending projects is to use a cold patch mix. Many property owners will tell you that this approach saves money, Sealcoating Contractor in Bryanston and can reduce the amount of labor required for the job, making it a great solution for small holes in parking lots, walkways, streets, and driveways. However, the process of cold asphalt patching can be accelerated with the right application techniques, saving property owners some time too! Customers, clients, guests, and occupants can use the pavement in the same day!
Ease of Use
Pouring Your Mix
Large-Scale Pavement Repair
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There are several things you will want to keep in mind when making asphalt repairs. First, consider what has caused the asphalt to fail. The two most common reasons for asphalt failure are ultraviolet rays and water damage. Ultraviolet rays break down the asphaltic material in asphalt, resulting in cracks. The water penetrates the asphalt through the cracks and allows the sub base material to become saturated and washed out. When the base material is washed out from underneath the asphalt, it allows the asphalt to further fail and eventually turn into a pothole. Once a pothole is created, the base underneath the pothole now needs to be addressed before paying over it again.
To start, the base material that has been saturated must be removed. Normally the size of equipment necessary for excavation depends on the size of the troubled area. The material can be removed with anything from a small skid steer to large excavation equipment. Once the area has been evaluated and the material has been removed, the perimeter of the troubled area will need to be saw cut. Saw cuts are made first by popping chalk lines using a caulk box. These chalk lines are followed with the saw insuring straight cuts around the perimeter of the troubled area. By executing these steps in the beginning your end product will be stronger and more attractive.
After the saw cuts are made around the perimeter, neatly clean out asphalt and materials in the affected area. The area needs to be clean and free of debris. All wet materials should be removed from the area to insure a proper foundation for the new base material. After removing the wet materials, replace the area with a new compactable material, such as stone or crush and run. Depending on the size and depth of the excavation, it may be necessary to compact the new material in lifts as it is put into place. After placing the proper compaction of the base material, a tack coat should be applied. This tack coat will insure adhesion between the base material and the new paving.
Finally, you are ready for paving. The new asphalt paving material should be applied at the same depth as the existing asphalt. To ensure the area matches the elevation of the existing asphalt,you will need to make sure the new asphalt has been compacted with a vibratory roller compactor. Last but not least, clean up the entire work area with a blower and remove all excess debris.
How to Get Cold Patch Asphalt to Cure Faster
It's a tragedy! You can find it everywhere, black and smelling like a new parking lot with lines so yellow and straight. But wait, upon closer examination the secret reveals itself. This is not a new parking lot, but a newly seal coated parking lot. Upon even closer examination, the new coat is concealing even more. Like a reptile hiding in the shade you can barely see it, but it's there. Alligator cracking, pot holes, and raveling oh my!
This is an issue that comes up with a majority of customers. Many want their parking lot to glisten in the sun and impress their customers, employees, and neighbors. The easiest and least expensive way to do this is seal coat. While this is not necessarily a bad thing to do, it might not be the wisest choice when there are other issues present. In order to continue, I need to dispel a few seal coating myths:
- It will prevent moisture from entering cracks
- It will extend the life of your parking lot
- It will always be the cheapest solution
Myth: It prevents moisture from entering cracks.
Crack filling prevents moisture from entering cracks.
Myth: It will extend the life of your parking lot.
While there are many aesthetic benefits, sealant acts like a layer of paint. It functions more as an "eye pleaser" than improving the overall structure of the asphalt. Some may argue that it protects the asphalt surface against UV rays, chemicals, and oils. This statement does have some truth to it. UV rays will oxidize the surface of asphalt and will show up by the surface changing color. Seal coat's thin layer partially protects against oil spills and chemicals. I say partially because seal coat will wear away in a short period of time depending on damage from the snow plow etc. Oil and chemical spills won't structurally affect the asphalt, but the surface may "pit" and look aesthetically unpleasing.
Myth: It is always the cheapest solution
Some may try to sell seal coating to a customer using the previous two myths as reasons why they should apply seal coat. While this option is cheaper than structural repair, costs can add up over the long-term especially when seal coat only lasts about 2-3 years. The budget process becomes a balancing act of what should be done. A structural repair does not look as nice nor will it be as painless as simply seal coating. If there is a choice between structural repair and seal coating, structural repair most always should be chosen. If repair is too expensive and maintenance is still a priority, choose to crack fill and protect the structure of the asphalt.
Of course, it is all a matter of preference. A newly sealed lot can boost the look of a business, raise the morale of the employees, and impress customers. When deciding; "to seal or not to seal", remember "tis nobler to understand thine options than to purchase blindly."
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