Uploaded April 2025 | Updated September 2026, 4 days ago
This is a simple quick hack to plug entry holes into your house or attic. You simply inject expanding foam into entry points. You then push coarse steel wool into the foam and inject another blob of foam to encase the steel wool.
This is a simple quick hack to plug entry holes into your house or attic. You simply inject expanding foam into entry points. You then push coarse steel wool into the foam and inject another blob of foam to encase the steel wool.










