Sikaflex-291, Black, General All-Purpose Fast Cure Marine Adhesive and sealant. Polyurethane sealant for Boats, 3 fl. oz Tube: Amazon.com: Industrial & Scientific
Amazon.com: Sika Sikaflex-221 - Black - Multi-purpose polyurethane sealant/adhesive - Creates permanent elastic seal - Sandable/paintable - Non-corrosive - 10.1 fl oz : Industrial & Scientific