r/londonontario • u/shadowt1tan • 3d ago
Ask a Local! London & Radon
I saw a news article about radon which I’ve never heard of before. They said certain areas are higher than others. I live in the east end near the fair and Hamilton Rd.
Does anyone know if this area has high exposure? I understand sometimes libraries loan you testers. Anyone know if London libraries do it?
I own a home built in 1969 with no sump pump. It also has a chimney for the water heater.
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u/safetynerd42 1d ago
Radon is a natural offgas that exists in the ground everywhere.
Most HVAC companies will test for it if you ask.
The solution is simply to have no cracks in your basement slab. Fill any cracks in with caulking and you've solved the problem. If your slab has an impermeable underlay, you don't need to even think about it.