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Home inspection question - ancientlight - 09-05-2025

Hi all.

Asking for advice, I know absolutely noone whom I can ask this in person. 
So I did a home inspection. 
And this is one of the found:

"ATTIC VENT LINES : The bathroom exhaust vents are tied into the plumbing vents in the attic, rather than terminating on the exterior. This could create an explosive condition by introducing flammable methane gas into the fan's electrical system. We recommend adding extensions and rerouting to soffit or other exterior vents "


My handyman, whom I trust and think does good work connected the bathroom exhaust fans , appearantly into the plumbing vents?
He said the following about what was said in the inspection report: 

" This is crazy, I don’t see how it is possible that a bathroom exhaust fan which pushes the air out can pull any gas in? Another thing, those pipes are designed to suck fresh air in when toilets and sinks are being drained to help with that process. There is never methane in the air space of those pipes. So I don’t see any way that this can be a potential or danger.
Insurance companies are so paranoid these days because of all the fraud that’s going on.
If you would like me to reroute the ventilation through the roof, according to Code, I can do it, but it will not be cheap. I will need to call a roofing company to cut the hole in the roof to install the vent professionally as I I’m not insured for cutting holes in roofs and cannot be held liable for leaks that may be caused of it." 



So do I go with what was said in the inspection report, or do I go with what my handyman said?

Thanks  Smile


RE: Home inspection question - EndtheMadnessNow - 09-05-2025

Those housing codes are always changing and vary state to state.
If you're selling the house you'll have to go with whatever the buyers home inspection says it needs. So, if you go with handyman you may find yourself needing to pay for the roof vents.

My advice is stick to whatever the current code says. Also, insurance companies and Title companies have ways of finding out and may bite you in the ass years down the road. If you own the house outright (you possess the Title) then you have much less to worry about as far as "up to code".

My house experience is limited to Oregon & Nevada. In Nevada one can get away with just about any redneck fix whereas Oregon, good luck!

Make sure that handyman is licensed, insured & registered in your state.
Personally, I would a hire ONE contractor that can do the whole job and guarantee no leaks.


In my last house that I sold I had to get additional attic vents cut in the roof. It was not cheap!!! However, the buyer paid $40K over asking price so I didn't much care.

What is crazy is my attic already had roof vents (apparently not enough as the city codes were updated from when I bought it!) plus a huge vent on one end to pull air in and the opposite side of house attic had a huge exhaust fan with a temp sensor. If you're in the attic when that beast kicks on it feels like a hurricane. My home inspector that I paid for said the venting was more than adequate but the updated Code only accounts for square footage, must have X number of roof vents regardless of any additional venting. They screw ya every which way. The buyers' home inspector was a white glove, most expensive that one can find. Nice.

PS: plenty of youtube videos on how to seal/waterproof roof vents.


RE: Home inspection question - ancientlight - 09-05-2025

(Yesterday, 04:14 AM)EndtheMadnessNow Wrote: Those housing codes are always changing and vary state to state.
If you're selling the house you'll have to go with whatever the buyers home inspection says it needs. So, if you go with handyman you may find yourself needing to pay for the roof vents.

My advice is stick to whatever the current code says. Also, insurance companies and Title companies have ways of finding out and may bite you in the ass years down the road. If you own the house outright (you possess the Title) then you have much less to worry about as far as "up to code".

My house experience is limited to Oregon & Nevada. In Nevada one can get away with just about any redneck fix whereas Oregon, good luck!

Make sure that handyman is licensed, insured & registered in your state.
Personally, I would a hire ONE contractor that can do the whole job and guarantee no leaks.


In my last house that I sold I had to get additional attic vents cut in the roof. It was not cheap!!! However, the buyer paid $40K over asking price so I didn't much care.

What is crazy is my attic already had roof vents (apparently not enough as the city codes were updated from when I bought it!) plus a huge vent on one end to pull air in and the opposite side of house attic had a huge exhaust fan with a temp sensor. If you're in the attic when that beast kicks on it feels like a hurricane. My home inspector that I paid for said the venting was more than adequate but the updated Code only accounts for square footage, must have X number of roof vents regardless of any additional venting. They screw ya every which way. The buyers' home inspector was a white glove, most expensive that one can find. Nice.

PS: plenty of youtube videos on how to seal/waterproof roof vents.

Even though I own the house outright and don't plan to sell, I will probably just get everything done anyway.  I've no clue anymore , but it's probably the best bet.  At least by the time I do plan to sell, it will already be in better shape.

The problem is finding a contractor that will even reply to my email! So frustrating.