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Just saw a stat from the CSIA saying a blocked flue can fill a room with deadly gas in under 3 minutes.
Found it buried in their safety course materials and it's been stuck in my head all week, making me double-check every single cap and screen I install now.
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oscarmurphy6h agoTop Commenter
That CSIA stat is a good scare, but it's also a worst case scenario with zero airflow in the room. My old instructor used to say a blocked flue in a real house, with normal drafts and leaks, usually gives you a lot more warning time, like a headache or that rotten egg smell. The fragility idea is interesting, but I see it the opposite way. Our normal is actually pretty tough because it's built with these safety margins and codes for a reason. We focus on the scary stats, not the millions of flues that work fine for decades. It's good to be careful, but maybe not to live in fear of every little thing.
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hayden_martin296h ago
Reminds me of how many deadly things are just quietly waiting in our homes. We worry about big disasters but miss the small failures that can kill us just as fast. It's the same with old wiring or a forgotten gas leak, silent problems until they're not. That stat sticks because it shows how fragile our normal really is.
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