FEATURE
“ Transverse cracks are perpendicular to the direction of the pavement and are typically caused by temperature fluctuations . Longitudinal cracks run parallel to the direction of the pavement and are often caused by improper joint construction or shrinkage of the asphalt layer .”
er other treatments maybe more cost and time effective , like scrub seal or traditional chip seal . If cracks are larger than 1.5- to 2-inches you may consider a mastic product over a traditional crack sealant .” Cracks can come in all sizes , shapes , and depths . “ The choice of sealant and repair method depends on the type and severity of the crack ,” Brasher said . “ Transverse cracks are perpendicular to the direction of the pavement and are typically caused by temperature fluctuations . Longitudinal cracks run parallel to the direction of the pavement and are often caused by improper joint construction or shrinkage of the asphalt layer . Hot-pour sealants are commonly used for transverse and longitudinal cracks , to create an adhesive bond against the intrusion of water and foreign materials .” Brasher continued , “ Alligator cracking
resembles the pattern of an alligator ’ s skin and are a sign of serious pavement distress . Mastic is an economical and versatile , permanent repair solution for wide thermal cracks , fatigue cracking , rutting and depressed broken-up areas . It is also recommended for use around solid structures in flexible pavements like manholes , gutters , and drains .” Crack sealing is an essential practice for preserving the integrity and safety of asphalt pavement . It prevents water from infiltrating the pavement structure , which can cause damage . By sealing cracks early , it can extend the life of the pavement , delaying the need for more costly repairs in the future . “ Every dollar spent on pavement maintenance yields $ 8 saved in rehabilitation / replacement cost ,” Thielbar said . “ Crack sealing is the most cost-effective form of pavement maintenance . Customers ,
whether commercial or agency governmental , should crack seal new pavements and not wait until cracking is overburdened . All cracks not sealed prior to overlay will reflect back through the new surface . Water intrusion begins through the cracks and creates potholes as the water permeates the base where the ground becomes soft causing the asphalt to flex under traffic load and break apart . Protect your investment .” Brasher concluded , “ Crack sealing is a relatively quick process that minimizes disruption to traffic , and creates a smoother , safer driving surface , reducing the risk of accidents and providing better traction for vehicles . For property owners , having well-maintained pavements free of cracks and potholes , can enhance the value of their properties . It is important to always perform a routine checkup and maintenance to save on future repair costs .”
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