The CT1 Construction Sealant is a unique formula designed to bond to most surfaces. The CT1 sealant is suitable for repairing leaks and can even be used in areas that are completely submerged, making this the ideal product for virtually any material. Thanks to its strong adhesion it can be used on most surfaces without the need for additional fixings. The CT1 Construction Sealant has excellent resistance to chemicals and prevent fungal growth, ideal for use on marine and boating maintence and repairs.