10 Common Items You Should Never Pour Down Your Drain

Building debris

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The Hazards of Putting Building Debris in Drains

Drywall dust, grout, plaster, cement, and sawdust harden or cake when wet. Even fine particles settle inside pipes and set like stone, shrinking interior diameter.

Larger fragments can instantly obstruct traps. Disposal should use sealed bags or approved waste containers, never sinks or toilets. Sweep and wipe tools and surfaces before rinsing to keep residue out of plumbing.