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bates 07-24-2012 12:25 PM

Bathroom Fan installation
Sorry, but don't know if this belongs here, it is ventilation and galv material!

So I want to install a bathroom fan in my already finished basement bathroom. The only thing is that the floor joists are running perpendicular to the shortest route (about 4' of run). Meaning I'll have to drill 4-1/8" diamater through my 2x8 floor joists.

Coincidentally, the upstairs bathroom is directly above my downstairs bathrrom as well.

Would there be any problem drilling this size hole in about 4-5' worth of floor joists?

bates 07-24-2012 12:47 PM

How will I vent it if I'm not able to drill through these joists? The only other route is about 15' and this runs parallel to the joists.

turnermech 07-24-2012 01:10 PM

don't drill holes anywhere near that size in 2x8 floor joist. you will have to find another path. Run the 15' with the joist.

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