Sikaflex-291 is a non-sag, 1-component polyurethane sealant specifically developed for the marine market, which cures exposure to atmospheric moisture. Sikaflex-291 meets the requirements set out by the International Maritime Organisation (IMO). This multi-purpose sealant bonds well to a wide variety of substrates. It features good ageing and weathering resistance and has elastic properties allowing for easy handling, low odour and non-corrosive making it safe for use in any environment. In addition, this product can be over painted and sanded once cured.