The chimney flashing is the most essential piece to your chimney. Substituting alternative product sealers to waterproof your chimney and roof joint will not work. Over time the tar breaks down and cause cracking and deterioration. The flashing system allows a complete seal from water and snow fall. Many people fail to realize that without a chimney flashing, you will be forced to repair your roof almost annually. A flashing will last a lifetime. View our products for more information on all of our specialized products.