With unique fiber structure, the waterproof membrane can protect the construction structure from being eroded by wind and rain and strengthen the gas tightness and water tightness as well as boast good breathability which expell water vapour out of the construction, thus avoiding mould and condensation. In this way, the functions of construcion can be well protected, which guarantee the energy saving and durability and good living environment. Furthermore, the waterproofing membrane has low cost and small weight, ect and is now waterproof rolls which are easy to apply.