E ffective asphalt sealcoating starts with the preparation . As one contractor said ... with sealcoating it is 95 % preparation and 5 % actual sealing . It is as Benjamin Franklin astutely said : “ By failing to prepare , you are preparing to fail .” Prep work involves a lot of surface cleaning . “ Critical to the success of a sealcoat application is the clean removal of all vegetation and debris from the pavement surface ,” stated Chris M . Vacca , senior marketing manager with Crafco , Inc ., Chandler , Arizona . “ Clean the surface thoroughly to remove all foreign debris , such as dirt , gravel , silt , etc . Use an air blower or flush with water . If there is embedded dirt or silt , use a steel bristle hand broom to remove . When removing dirt and debris from site be careful not to upset the existing landscaping . And do not pile dirt and debris onto grassy areas along the paved asphalt .
“ Oil spots must be addressed . If left untreated , the sealer will not adhere and will delaminate . In addition , any untreated oil spots can potentially absorb into the sealer emulsion and impede the sealer ’ s ability to cure . The end result is a sealer that
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May 2022