你好,听起来你可能有了石板或屋顶瓦屋顶上你这是造成泄漏,如果石膏板变得湿在你的房子会软,凹陷和跌倒。你需要联系盖屋顶的人检查你的屋顶和修复泄漏那么好的工匠可以re-sheet天花板准备泥水匠脱脂。

嗨

从你的照片我可以看到凝结undertile感觉?

我也可以观察任何伟大的湿补丁纸板?

如果我的观察是正确的,我认为这可能只是冷凝发生由于通风不良的阁楼空间。冷凝通常只会发生在这些异常寒冷的月份——每年。

塑板的目的是什么?似乎限制气流?

For some reason I can't access the photos, I'm not great with computers, but I am inclined to agree with fibretechs, it should be insulated, but air flow must never be compromised, on the other hand, as I can't see it it could be a cracked tile, causing the board to be damaged, however a joiner isn't required to plasterboard it for you as a plasterer myself, I can tell you we do all that your insurance might cover the work though, itll cost you no more than an excess, contact them, that's why you pay insurance, take back if you're entitled