Share 'Stopping Air Infiltration at Cable / Phone Line Entry'
This is an entry point for cable TV coax, phone lines and a couple of grounds. They exit the basement of this home through a hole drilled in the foundation.
The air infiltration at this opening is significant. There is effectively a open path to the outside between every cable. If you flex the cables a bit you can see sunlight.
I'm struggling with how to stop the airflow. My first thought was e…
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