Dualproof, the fresh concrete bonding membrane which is fast becoming the membrane of choice across Central Europe for waterproofing below ground concrete structures. DualProof Overview Dualproof is a water and gas resistant PVC membrane with a unique Polypropylene Fibertex Fleece. The PVC outer layer is water and gas resistant while the PP FIbertex Fleece enables… Continue reading The Next Generation of Waterproofing Membranes