dreambeast 2 Report post Posted April 27 I just got an old HDB and there is a opening in the master bedroom wall for aircon ledge. Water seeps in during times of heavy rain. To clarify, I am retaining the aircon. Just want to clean up this part of the wall (maybe replace with new wood and silicone to keep the water out when rain) Appreciate any help or recommendation for contractor who has experience doing this before. Thank you! Share this post Link to post Share on other sites