... . Durable, the effective age can be more than 20 years used on exposed surfaces, used on non-exposed surfaces, it can reach 50 years. 5. ... low temperature, adaptable to cold conditions. 6. Root-resistance, can be used on the planting roofs. 7. Fine puncture resistance, joint peel ... Chloride (PVC) membrane with fiber reinforced layer on the back is widely used in the roofs of civil buildings, tunnels, ...