1. The cracking and crazing that occurs in asphalt roofing due to age and the effect of solar radiation and oxidation. 2. Coarse checking pattern characterized by a slipping of the new paint coating over the old coating to the extent that the old coating can be seen through the fissures, caused by improper build-up of paint. 3. In asphalt paving, i Interconnected cracks forming a series of small blocks resembling an alligator’s skin or chicken-wire, caused by excessive deflection of the surface over unstable subgrade or lower courses of the pavement.