All vegetation and debris will been removed from the crack. If crack spans wider then 1/2inch, other precautions will be taken.
Heat lancing will extend the life of the crack repair significantly. Heat lancing will remove any moisture in the crack cavity as well as draw the asphalt oils to the surface of the inner and outer crack walls to help promote proper adhesion to the hot pour crack sealant.
Cracks 1/2" or larger will be sealed with a high performance hot pour crack sealant.