APOC Black Asphalt Roof Cement 5 gal

It can be used for sealing around chimneys, vent pipes, gravel guards, down spouts, cracks in concrete, and more. APOC 109 is also an excellent utility mastic for use below grade in heavy-duty foundation waterproofing and dampproofing systems. APOC 109 exceeds the performance requirements of ASTM D3409 and ASTM D4586, TYPE I, and is Miami-Dade County product control approved.