Patent ID: 6460304
Filing Date: 2002-10-08
Classification: E04D

Abstract:
A waterproofing structure formed above a slab layer, comprising:a plurality of waterproof sheets arranged adjacent to each other with adjacent end edges of the adjacent sheets being spaced apart and defining a joint region representing an area between the adjacent waterproof sheets which are separated by a predetermined distance, the plurality of grounding waterproof sheets being disposed above the slab layer, wherein each one of the waterproof sheets has: a water-proof first layer arranged above the slab layer, the first layer having first and second surfaces; and a second layer affixed to the first surface of the first layer, the second layer having fibers extending from at least one surface of the second layer into and adhering to the first layer; and a hardenable polymer layer formed by coating polymer on the upper surface of the plurality of grounding waterproof sheet.