Because they pose trip hazards and can cause vehicle damage, potholes are one of the biggest sources of lawsuits. As they eventually deteriorate the base of your parking lot, potholes also allow water to penetrate your parking lot. To prevent these problems, fixing the potholes quickly is important. It is far more cost-effective to patch and repair asphalt surfaces than to repave when it comes to potholes problems. Today we at Andersen Asphalt & Striping would like briefly to elaborate on how paving patches works and the basic asphalt patching techniques.
Regular Surface Patch
This popular option is for residential parking. For areas that are cracking but not crumbling is often the suggested option. Asphalt glue is added to the patch area and hot asphalt is applied directly on top of the pre-existing asphalt surface during the patching process. Compared to cutting out and replacing asphalt areas, it is less expensive to do it this way. Depending on traffic and use of the area, it is still a temporary fix, with an estimated lifetime of approximately two years, although a surface patch will help prevent water from further penetrating the asphalt.
Partial Pavement Patching
Replacing it with new compacted asphalt, and sealing the edges, this method grinds off the top 2–3 inches of asphalt. When the deterioration occurs only in the surface layer of asphalt, partial depth repair is only feasible
Removal & Replacement Patching
For repairing deteriorated asphalt, removal and replacement patching is a more permanent and more costly method. All the way to the sub-base is required by removing all asphalt in the failing areas. The base should be leveled and compacted once the decayed asphalt has been removed. As a permanent patch, the new fresh asphalt patch is then applied in two layers, both about 1 and a half inches thick, compacting each layer for a more stable. You should consider a total replacement or asphalt milling if more than 25% of your parking area requires =
Cold VS Hot Asphalt Patch
Cold Patch. Cold patch also referred as cold mix or cold asphalt, since it can be applied right from the container without heating, was first recognized as a way to make road repairs quickly. As it can be shoveled or poured into a pothole or utility cut and tamped down with a hand tool, cold asphalt also doesn’t require any special heavy rolling machines or special applicators. A temporary fix for potholes is considered with a cold mix.
Hot Asphalt. Made from rock, sand, tar & Bitumen, it is a long-lasting durable product. When it is first applied so that it can fit and be worked into the repair area, it is extremely hot. It becomes extremely solid as the hot asphalt cools it hardens. For a hot asphalt patch to harden and be safe to drive on it takes approximately 24 hours. Being that it requires skilled workers and it can only be applied in hot summer, asphalt is considered as a more permanent solution.