06/19/2026
One small opening can create a pathway from one floor of the home to another.
In this video, Eric explains why electrical penetrations should be properly sealed when wiring passes through framing members between levels of the home. These openings can allow smoke, fire, and hot gases to travel more quickly through concealed spaces if a fire were to occur.
Proper sealing helps maintain the intended fireblocking within the structure and is an important detail that is often overlooked during construction.
It's the kind of issue most homeowners will never see once the drywall is installed, which is exactly why pre-drywall inspections are so valuable. Catching these details before they're covered up can help ensure the home is built as intended.