SEALANT LONG OPEN TIME BLACK 3oz

Sika-Flex 291 LOT Marine Sealant-Adhesive is a non-sag, 1-component polyurethane sealant specifically designed for marine applications. This multipurpose sealant is designed to have a long open time for those jobs that require more time. This formula can be sanded and over painted, and can be used either above or below the water line. Not to be used to seal plastics that are prone to stress cracking. This product is suitable for experienced professional users only.