The caulking mentioned is fine to seals the gape but you may need somethingto back it other thatn backer rod. in that case you may need a small amount of Rockwool insulation to pack into the void befo ... read more
I think a combination of the below suggestion is in order. The first would be to talk with electrican and tell them you will have the security company come and fix the issue. But, also if they find th ... read more