Can I exhaust 2 different bathroom exhaust fans to the same roof vent?
I have 2 bathrooms on our 2nd dumbfound that exhaust directly into the attic. The idiots that installed them did not vent them to the outside. I have asked a roofer to invest flashing for one 3" vent pipe. Can I run both exhaust fans to this vent
If you attatch the vents to a "Y" shaped duct. The "Y" will be upside-down with the roof vent at the top. There should already be a flapper on each fan constituent that doesn't allow "back draft".

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Firefighters attacked the flames from the tutor, nearby patios and also from the roof, where they smashed open holes to design vents. One
The hood vents, front lip, end bumper vents and the diffuser, roof and trunk spoiler can be optionally had in exposed 










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@ I'm doing quite well. I got the exhaust roof vent installed yesterday so relaxing this morning. :-)