How to prevent mold/moisture after sealing a cove joint behind finished walls in walkout basement?

Hi Martin,We have an open 1/2 inch cove joint in our walkout basement.  There was 6 inches to 1 foot of mold above the joint on the cinder walls in… Hi Martin,We have an open 1/2 inch cove joint in our walkout basement.  There was 6 inches to 1 foot of mold above the joint on the cinder walls in…Read MoreGreenBuildingAdvisor