GA 221-2000
石膏板联合起垄的修复
Repair of Gypsum Board Joint Ridging
GA 221-2000 发布历史
GA 221-2000由行业标准-公共安全标准 CN-GA 发布于 2000-01-01。
GA 221-2000 在中国标准分类中归属于: Q62 石膏制品，在国际标准分类中归属于: 91.100.10 水泥、石膏、石灰、砂浆。
GA 221-2000 石膏板联合起垄的修复的最新版本是哪一版？
最新版本是 GA 221-2000 。
GA 221-2000的历代版本如下：
- 2000年 GA 221-2000 石膏板联合起垄的修复
Joint ridging, also called beading, is a uniform, fine line deformation occurring at gypsum board joints. It is usually caused by compression of the edges or ends of the finished and decorated gypsum board resulting from the edges or ends being forced together from exposure to alternating periods of high and low temperature and humidity extremes due to thermal or hygrometric expansion.
