EXPERT ADVICE
Winter crack sealing
Get Ready to Start
By Ade Craig
CRACK SEALING
F or many regions of the country , freezing winter temperatures keep sealcoating contractors and pavement maintenance professionals cooped up , unable to get out onto the pavement . As temperatures begin to rise , so do the number of calls seeking repair to the damage winter left behind . For sealcoating contractors waiting for the ideal weather conditions to begin sealcoat work , crack sealing work provides a great opportunity to be able to start bringing in income sooner to your business after the long winter .
Weather ’ s Effect on Asphalt Pavement
Asphalt , like nearly all materials , experience some measure of thermal stress as the material is either heated or cooled . During cold winter temperatures , asphalt pavement contracts and any cracks present , open to their widest . Conversely , during hot summer temperatures , asphalt pavement expands and any open cracks , close . The spring season offers more moderate temperatures that tend not to reach the extremes temperatures of winter and summer weather . Spring is a perfect time to seal cracks . The cracks are still open enough to apply the sealant into the crack before the warm summer weather comes and the cracks are narrowed .
Cracks are inevitable . When cracks form , water seeps in and under the asphalt pavement , causing deterioration . No matter the season , contractors and pavement maintenance professionals must be certain crack repair operations are only performed in dry conditions . Any moisture present in the pavement or crack will prevent adhesion of the material to the walls of the crack , increasing the likelihood of failure .
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January 2022