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dleslie1019
installing bath fan

need to run a 4 inch bath exhaust line through 3 2X8 joists. i asuume since i am cutting most of the joist out i need to support it but how??? thanks guys and girls

kentvw
Re: installing bath fan

No expert here but every one I have ever seen had the duct running parallel with the joists and out the rim joist.

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