damp course
noun [ C ] UK uk/ˈdæmp ˌkɔːs/ us/ˈdæmp ˌkɔːrs/ (also damp-proof course)
（用于墙基下的）防潮层，防潮隔离层
a layer of material that is put in the bottom of a wall in order to stop water from rising through the bricks
We have replastered and rewired the house and put in new damp course.
If there is condensation on the underside of the glass, then your damp-proof course is probably not effective.
- More examples
- It's possible your damp course has failed or you need to install one.
- Allow a gap of 150mm below a damp course.
- Try to keep damp courses clear of garden beds and paths.
- The problem seems to be caused by the doorstep, which bridges the damp-proof course.
- The cottage requires substantial modernization: a new kitchen, a new bathroom, and possibly a damp-proof course.