A good 30 years after the last major refurbishment, the two Swiss border communities of Rafz and Wil ordered an almost complete modernization of their outdoor pool. The first measure was to replace the holey pool liners with a stainless steel lining - which is more durable and hygienic, says the pool builder. New attractions such as a current channel and wide spouts enhance the bathing fun. Shell limestone-colored GDM.DECA stone large formats provide the atmospheric paving frame.