For example, a study showed that when crack sealing was completed as a pre-treatment to a chip seal, 100% less cracking developed after 2 years of observation in comparison to a chip seal only treatment. Crack sealing can slow the rate of their formation in pavements over time.Ĭrack sealing as a pretreatment improves the effectiveness of other surface treatments in asphalt pavements.
In one study, after 2 years of observation, 75% less cracking was observed in a pavement that was crack sealed in comparison to a pavement that received no treatment at all. However, crack sealing has been proven in studies to slow the rate of cracking. In drastic comparison, only approximately 1% of cracks that have been sealed will form into potholes within 3 years.Ĭracks are inevitable and are going to develop as the asphalt pavement continues to oxidize and deteriorate. If your goal is to preserve your pavement for the longest period at the lowest cost you must crack seal.Īpproximately 75% of cracks in asphalt pavement form into potholes within 3 years if they are not sealed. Simply stated, a dollar spent crack sealing returns more benefit than a dollar spent with other preservation treatments. In asphalt pavements, the next lowest cost pavement preservation treatment is a single chip seal which is approximately a whopping 4 times more expensive. In an independent study, sealing cracks in pavement (crack sealing) has proven to be the lowest cost pavement preservation treatment available by far.
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