A – If a tile is broken and requires replacement a trained and certified Myrtha technician can replace the tile in two three hours without compromising the Myrtha structure or water-tightness of the pool. Damage to the floor membrane is easily repaired by a diver using underwater vinyl repair adhesives, or if necessary a well type arrangement can be used for a dry repair. With new Myrtha technology now applied to sealing walls, floors and wall to floor joints leaks are rare. If a leak occurs on a step section or corner joint it is easily located with dyes and quick to repair underwater. 11. Question – If after the 15 year guarantee on the Myrtha Floor membrane has expired, what would be the cost of replacement if for instance; it was to be compared to replacing the tiled floor of a concrete pool? A – It is considered that the floor membrane would last at least 25 years but at today’s costs (2010) it would take 8 days to replace a Myrtha floor membrane in a standard 50m x 8 lane pool an