摘要 |
A waterproof board for inner and outer walls having an image printed layer and a urethane foam layer according to the present invention is manufactured by integrating a cotton layer, a waterproof layer formed on the top of the cotton layer, an image printed layer which is formed on the waterproof layer and on which an image is printed, a coating layer for preventing the discoloration, scratches, and contamination of the image layer, and a urethane foam layer formed on the underside of the cotton layer. Also, an insulating method for preventing dew condensation involving attaching the waterproof boards to the inner and outer walls using a binder. |