Bituminous Surface Treatments - Pavement Interactive- Construction bitumen crack sealant ,Construction Considerations. Before constructing a chip seal, any major deficiencies must be corrected in the existing structure. For example, if alligator cracks are present, subgrade repair may be required.Concrete & Asphalt Joint Sealant - SAFE-SEAL 3405 - W. R ...SAFE-SEAL 3405 is a high performance, polymer-modified, asphalt emulsion horizontal joint and crack sealant. It is a one-component, self-leveling material that can easily be poured into openings 1/8″ up to …