Poke your head into the engine compartment of the Sea Ray 220 Bowrider and check out the hull-to-deck joint. That white poly material backing the joint provides a good bite for the stainless-steel screws that secure the two parts together. Unseen is a bead of adhesive sealant sandwiched between the overlapping flanges through which those screws run. This serves to further strengthen the joint and make it watertight. [Read more...]