Cold Joint Sealant is a single-component material made from a combination of bitumen, special solvents, bitumen rubber, and chemical additives. It has a very high adhesive strength to various surfaces, such as asphalt, concrete, and brick. After the solvent evaporates, it turns into a solid and. To seal a cold joint in concrete, several methods can be employed, including the use of bonding agents, saw-cutting and re-pouring, mechanical connectors, and injection of epoxy or polyurethane resins. Saw-cutting and concrete re-pour to increase integration between fresh and set batches. The use of mechanical connectors, such as dowel bars, to. ColdBond is a next-generation acrylic-based bonding agent designed to provide superior adhesion and flexibility for concrete cold joints, plaster, and gypsum applications. Its innovative formulation ensures a durable, water-resistant, and monolithic bond that addresses common challenges in. cold-applied joint sealants to get the job done. POURTHANE NS Non-Sag Polyurethane Joint Sealant POURTHANE NS USES POURTHANE NS has very good adhesion to most construction ma - terials. Use polymer-modified mortar or epoxy slurry for next-day bond depending on ambient.