APE April 2022 | Page 18

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Cracks come in all shapes and sizes . Sealing them in a timely manner is one of the most effective ways to maintain the quality of your pavement . crystallize and result in a very expensive and time-consuming repair .
6 . Follow safety protocols . Crack sealing can be done on the quietest parking lot or busiest highway . Wherever it is performed , make sure to use proper PPE , safety cones , and other tools to reduce any hazard . You can also enhance safety through your equipment . Melters with intuitive user interfaces and automated safety controls / shutoffs can be practical if you have an inexperienced crew or higher worker turnover .
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7 . Employ good techniques . How you apply sealant can make a huge difference . Use the technique that aligns with your objectives . Flush fill if an overlay or other surface treatment is planned in the near future . Over-band ( max . 1 / 8˝thick , extending 1˝ on each side of the crack ) on a standalone repair . Keep the over-band tight to the pavement , watch your flow , and use a squeegee to shape and force sealant into cracks for optimum performance . Do not use more sealant than necessary as it will be messy and reduce your pavement ’ s skid resistance . And never try to crack-seal potholes , alligator cracks , or wide cracks ( larger than 1.5˝ wide ). Errantly applied sealant looks unprofessional and can cost you hundreds or even thousands of dollars a year .
8 . Finally , wherever you ’ re crack sealing , be safe . Wear proper PPE , use safety cones or other traffic control devices . The best crack sealing project is the safest one !
Cracks come in all shapes and sizes . Sealing them in a timely manner is one of the most effective ways to maintain the quality of your pavement .
One of the biggest mistakes is waiting too long to begin maintenance . By crack sealing when pavement cracks first appear , it will keep water out of the cracks thus eliminating sub-base erosion , reducing freeze-thaw damage and improving ride quality of the pavement once the crack sealing is completed . www . callape . com [ 18 ] 1.800.210.5923