| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of applying a waterproof sheet and the waterproof sheet used therefor, capable of forming a uniform waterproof layer, by shortening a cure period at a job site, by solving the problem of a conventional construction method of using a conventional asphalt waterproof layer, waterproof sheet, waterproof urethane coating, or vinyl chloride sheet floor.SOLUTION: A primer is applied to a floor surface of a construction site, then, an adhesive layer is formed, then, a waterproof sheet composed of a top coat layer and a urethane waterproof layer, which is molded in a recessed form in a factory in advance, is spread all over on the adhesive layer, to form a waterproof layer on the floor surface. The waterproof sheet is formed in such a way that, at first, a mold release agent is applied to an inner surface of the recessed form, then, the top coat layer is applied to the inside of the recess to form the top coat layer, then, when the top coat layer is dried, a urethane waterproof agent is sprayed or poured on a surface of the top coat layer to form the urethane waterproof layer. |
