Over tiles transparent waterproofing system, coating for tiles based on HYPERDESMO®-T. ALCHIMICA’s flexible transparent waterproofing system is an excellent way to protect and extend the life of your balcony/terrace while preserving its visual appeal. The system provides durability, great UV resistance and foot traffic. The HYPERDESMO®-T is a transparent and aliphatic product that produces an elastic, highly durable, hydrophobic membrane with excellent UV resistance.