If you have a large asphalt or concrete driveway, you should really consider getting a flat surface cleaner. They're the quickest way to clean large surfaces, especially if you've got oil, fuel, grease, mildew or algae stains. A flat surface cleaner will clean four times as fast as a regular nozzle without leaving tell-tale zebra stripes. JT's always uses surface cleaners because they are save time & give great results. We also use hot water to help lift & wash away dirt and debris.
Asphalt pavement is usually 95% aggregate, which could be stone, sand, or gravel, and 5% asphalt cement as a binder. The binder is a product of oil refining and acts to glue the aggregates together. The aggregate and asphalt are heated, combined with the recycled material and mixed together. Then we load the hot pavement material into trucks and take it out to the site.
This common question can mean different things to different people because of the wide range of precipitation encompassed by the word "rain." On one end, occasional light sprinkles should not be cause to shut down operations. However, a steady downpour, either light or heavy, should result in cessation of paving activities. To avoid waste, some states have verbiage in their specifications stating that trucks in route to the project when rain begins can be laid at the contractor's risk.
Keep in mind that the surface on which you are paving may influence your decision. Paving on a firm, stable, well-draining crushed aggregate base might be given more leeway than a thin asphalt overlay. Raining or not, new pavement must be placed on a firm, unyielding base. Critical ideas to keep in mind when dealing with rain:
Typically not; pavements are only designed for a 15 year life cycle and random fatigue cracking and slight deterioration are to be expected. Simply adding a new 2" surface (Perma-Flex paving overlay) over the existing paving will seal the cracks and deteriorated areas and solve the problem.
Yes, it is possible to pave over concrete; however, reflective cracking may occur as a result.
Assuming that the initial asphalt pavement was designed and constructed properly, the primary cause of failure is the penetration of water into the asphalt base. Asphalt failure often begins with the oxidation of an untreated pavement surface which causes the asphalt to become dry and brittle. The top layer of fine particles erodes, exposing the larger aggregate and leading to small cracks on the surface. These cracks will grow if left untreated, allowing water to penetrate to the base of the pavement. When water enters the base of the pavement, the base material shifts and settles leading to further cracking and a depression in the surface. As water pools in the depressed area, the asphalt further deteriorates and becomes unstable. When the pavement reaches this stage, removal and replacement of the old asphalt is often the only remedy.
Yes you can & YES you should! Filling Asphalt Cracks in your asphalt driveway or parking lot surface will be a very important part of extending the life of your asphalt surface. One of the most common and easy to use products available is Rubberized Asphalt Crack Filler. The second reason you should fill the cracks in your asphalt is because vegetation will begin growing in them. As the roots on vegetation get bigger, the plant root can actually push the pavement up and create even more damage. This breaks the pavement surface and other problems begin occurring. Even worse, if water does penetrate the crack and seeps under the asphalt surface, this will almost always creates a soft spot which in turn can create a Pot Hole and if you live where the temperatures create ground freezing, then this moisture under the asphalt surface will freeze and push the pavement up. You might have seen this on other driveways or parking lots to know what we are talking about and now you know why it has happened. All of these conditions can usually be avoided by practicing good maintenance and keeping these cracks filled as they occur.
Periodic and preventative maintenance is the key; budget money for crack filling on a yearly basis. Typically a few hundred dollars a year in crack filling will save you thousands in patching when resurfacing is required. If deteriorated pavement is caused by poor sub-base conditions, periodic patching may be required to keep those areas from spreading.
Almost always! On rare occasions when a pavement is being constructed which is not being used by traveling public and each succeeding lift is placed in rapid succession, a tack coat may not be necessary. However, a good cheap insurance policy is to always use tack coats.
Possible causes of potholes include asphalt that was too thin, base failure under heavy loads or poor drainage that weakens the sub grade and base. Poor quality (segregation in the asphalt, poor compaction, or asphalt that was burnt or did not have enough oil mixed into it) may be a contributing factor.
There are two main types of asphalt patch repairs procedures that will provide a suitable fix to most asphalt related issues – full-depth patching (peel and pave) and surface patching. Full-depth patching involves the removal of the entire layer of pavement surface down to or including the sub base, depending on the condition of the stone base. New sub base is then installed, a tack coat is applied, and new asphalt pavement is back filled into the patch area. Surface patching is a more temporary fix and should only be considered for a surface that is in relatively good condition. This process does not involve the excavation of the existing surface or sub base. The asphalt is simply layered over the existing surface and feathered to match the in-place grade. In some cases, a rebate is milled into the surface, which eliminates the need to feather-edge the patch.
Pressure washing is the application of high pressure water spray. Produced by specially designed pumps, this spray is a hundred times more powerful than the typical garden hose. On concrete, it is used to remove unsightly mold, bubble gum, and other dirt stains. Wooden decks are returned to the look of new wood, void of graying and fatigued finishes.
In order to complete each job as quickly as possible, we ask that you:
Access to electricity is not needed.
A pro-active approach is highly recommended when it's related to commercial maintenance and water based cleaning. The more frequent the cleaning, the less pressure needed during cleaning. Preventative cleaning takes less time and is more gentle. This will save you money in the long run, and preserve the integrity of the material being cleaned.
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