It has excellent adhesion to wood, gel coat and fiberglass. It forms a watertight, weather-resistant seal on joints and boat hardware. In addition, its flexibility allows for dissipation of stress caused by shock, vibration, swelling or shrinking.
Caulk and Sealant Application Marine. Caulk and Sealant Type Polyurethane. Easy to apply using a standard caulking gun. Sealant Form Standard Tube. It has excellent adhesion to wood, gel coat and fiberglass.