如何封装砖贴面爬网空间?
我正在封装我们的爬网空间并有一些问题。房屋放在混凝土砌块旁边,并包含一个覆盖爬行空间并延伸到坡度以下的砖贴面。砖和框架之间以及混凝土块之间有2-3英寸的气隙。这房子位于3A气候区,因此大量潮湿的空气。
到目前为止,我已经在泥土地板上和砖墙的侧面安装了120万蒸气屏障(留下3英寸的间隙进行白蚁检查)。我还关闭并密封了通风孔。
Despite the previous steps, the relative humidity in the space is still reading at 75-80% while the temperature stays very close to the house temperature (74 F) . The next step in my plan is to put polyiso foam board around the perimeter, covering the vapor barrier on the wall and boxing in the foundation blocks, however I’m not sure how to approach the following.
1.尽管我最好尝试将衬里填充和胶带粘在墙壁上,但砖和砂浆的粗糙质地意味着我知道它不是完美的密封。那是蒸气屏障周围的地面水分的大潜在来源吗?
2. Is the brick veneer air gap allowing moisture to flow down behind the wall framing and into the crawlspace? How can I approach that problem? Would sealing the gap at the base where the framing meets the crawl space cause a problem with the allowing the brick to drain? There are weep holes in the brick above the crawl space level.
GBA细节库
由气候和房屋部分组织的一千个建筑细节的集合
答复
内特,
首先,您确实需要安装水平1x3或1x4作为墙壁顶部的终止条,并在墙壁上的墙壁顶部安装 - 带有Tapcon紧固件在爬行空间墙上。如照片中所示,在码头周围运行聚合物无法工作,因为它在聚合物的顶部留下了巨大的空气间隙。
Second, there are lots of reasons why your crawl space might be damp. Once you've solved the termination strip problem, you probably should install a dehumidifier down there, and run it for two or three months. Once you get the RH under control, you may be able to turn the dehumidifier off -- because the dehumidifier may just be needed to dry out the damp floor assembly.
如果您还没有阅读它们,则应阅读这两篇文章:
建造一个未通风的爬行空间
固定湿地下室
终止条是否会遇到我在粉底胶带和填缝中遇到的相同问题?由于砖的背面不均匀,因此水平条似乎也很难均匀地密封墙壁。我确实有粉底销(我正在努力安装永久机械支撑的塑料紧固件,穿过顶部,穿过胶带并进入砖块),但我仍然担心这是否会充分密封接缝或这是否应该是宏伟计划中关注的主要原因。
感谢您对不环游码头的建议。我将努力将Poly陷入差距,并密封到其余的障碍物上。
听起来像是我纠正了这些作品后,我应该坚持绝缘,而要专注于在那里获得除湿机。
You also want to use mastic/sealant. Hopefully the block pier isn't hollow.
终端条提供了多聚和壁之间的机械连接。沿着条上方的边缘安装的乳胶提供空气密封。有没有证据表明您在聚(低毛刺斑点)下有大量水?
内特,
如果您安装了水平终端条,并且仍然有担心的间隙,则应该能够用罐装喷雾泡沫密封这些间隙。