High pressure air pressure is used to clean out the joint or crack from foreign material in the blacktop. After this is done, 2 heated tar (over band) is used to seal the joint to prevent further cracking and damage.
High pressure air pressure is used to clean out the joint or crack from foreign material in the blacktop. After this is done, 2 heated tar (over band) is used to seal the joint to prevent further cracking and damage.