ARMOPROOF is a tough semi-flexible, rot-proof, durable pre-molded bitumen based board suitable for a variety of applications in below or above ground waterproofing as well as roofing, parking, bridge decks, wet areas, planters, pools, fountains and civil works. Special features Positive barrier to water and dampness with very low water absorption. Non invasive. Compatible with almost every waterproofing membrane and coating like: Bituminous, EPDM, TPO, PVC, Polyurethane, Butyl rubber, Epoxy, Acrylic, Chlorinated Rubber, coal tar and many others. Withstands site abuse and impact from backfilling operations as well as effective protection against construction traffic, concreting and other topping work. Maintains shape stability at high temperatures and retains flexibility at low temperatures. It is tough, rot proof and non-bio degradable. It is unaffected by permanent Immersion in water.