baths and work surfaces, Flexi-Seal uses a combination of a durable flexible rubber with waterproof buyyl based adhesive to give maximum protection between the application surface and tiles or panels, it will maintain a watertight seal whilst allowing for a certain amount of movement that is inevitable, particularly with new builds, Since the rubber is flexible, Use Flexi-Seal to protect floors and ceilings from expensive water damage caused by leaks from shower trays