| 摘要 |
The present invention relates to a stud for a drywall and a manufacturing method thereof, wherein a first plate and a second plate having the same area are stacked, and the first plate doubly stacked and the second plate are roll formed at the same time to manufacture the stud. Therefore, throughout the whole area of the stud, a boundary surface is contained between the first plate and the second plate, wherein a sound wave is reflected and refracted. Thus, provided are the stud for a drywall and a manufacturing method thereof, wherein sound insulation performance can be significantly improved, and the stud can be easily manufactured. |
