Adhesives and sealants have a long history in shipbuilding and marine industries, providing protection against water, chemicals, weather, and environmental degradation. In the earliest days of seafaring, natural sealants such as pine resins were cooked down and applied liberally, requiring regular re-treatments. 

A structural adhesive is a “load-bearing” adhesive that is used to bond a joint and is capable of holding two or more substrates together under stress.