Cascaphen is a professional, two part glue has been specially developed for waterproof exterior use and can stand continuous immersion in water. This glue is so waterproof - boat builders use it. Developed for the marine industry, this is the only completely waterproof adhesive that will withstand continual immersion in water. For use externally where extreme weathering will take place, including arches for bridge work, concrete formers, marine craft construction, bonding of preservative treated timber, bonding of difficult timber i.e. teak and Iroko. Cascaphen is also fire resistant to class 0 rating and is used extensively for bonding difficult timbers such as teak and iroko where normal adhesives could fail.