M-Seal is a two-component epoxy putty sealant and adhesive used for sealing, bonding, repairing, filling gaps, and rebuilding damaged surfaces. It consists of resin and hardener that are mixed together before application and cures into a hard, durable mass. It can be shaped, drilled, sanded, and painted after curing. It is commonly used in plumbing, maintenance, automotive repairs, and general household applications.