| 摘要 |
PURPOSE: A drain board for a floor is provided to reduce construction period and extra expense by installing drain boards for a floor, so adhesive tape is not necessary. CONSTITUTION: A drain board for a floor comprises a base plate(30), and a fastening part. A plurality of piers are formed on the base plate. A burr(34) is extended to the outside on the two sides of the base plate, which are adjacent to each other. The fastening part is formed at the corner part of the bottom base plate and the corner part of the top base plate corresponding to the corner part of the bottom base plate. The fastening part is made of fastening projections(42). The fastening part is made of a shaft(42a) and a hanging projection(42b). |
