Quote:
Originally Posted by GoinAllTheWay
You absolutely have a breach somewhere. I kept finding wasps in my basement, finally discovered they were coming through one of the potlights in the ceiling. Found they were making it through a gap between the concrete foundation and the framing. Filled it with expanding foam and that was it.
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I wouldn't recommend this as most spray foams are fire resistant, which is counter-productive to solving your wasp problem.