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  1. KMBARNIN

    Drilling holes in floor joists for plumbing

    To get the right flow there’s no way around it we have to drill through the floor joists for our toilet drain pipe. The pipes are 3 inch pvc. We have to drill through 6 or 7 of the joists. The floor joists are a weird 3 inch thick by 6 inches wide. They are roughly 20-22 inches apart and...

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