In toilet waterproof plasterboard as string of 1 top superstratum is added lie between steam layer and tinfoil paper paper, avoid condenser water to destroy plasterboard condole top.

• 在卫生间防水石膏板吊顶上层加隔蒸气层和锡箔纸，避免冷凝水破坏石膏板吊顶。