The recreational nature of swimming pools makes any structural problem giving rise to leaks highly inconvenient. One of the most advanced solutions to these problems, which is reliable as well as lasting, is their waterproofing and finishing by means of synthetic PVC-P liners. Moreover, the use of these membranes, in constant growth, are not incompatible with a great variety of designs, and even provide the most contemporary finishes. URDIN SPR is a flexible PVC-P membrane reinforced with a polyester mesh and manufactured exclusively from top quality virgin resins. Their guaranteed water tightness and their excellent finish make them a top quality solution for all kinds of swimming pools.