Foundation waterproofing membrane is necessary for every construction and building. Needless to say that water penetration in constructions may result in many ruining effects. Waterproof membrane in the market has different qualities. There are low quality and low price membranes that have no customer services. There are also membranes which are more expensive and have a high quality and the latest standards.No doubt that constructing a building is a very serious job. Any defect in the work like the ones in membrane will result in very costly repairs after the whole work is done. Therefore, it is wise to choose construction materials like membranes with the highest sensitivity. For buying membrane only go to stores or factory shops that have standard marks and a high quality. The membrane that you buy must also be guaranteed.