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What causes repeated blocked drains?

Recurring blockage patterns usually point to a deeper plumbing issue.

2026-04-23

Drain repair trench and blocked drain investigation
Recurring drain problemsCommon blocked drain causes and when to get proper diagnosis.

Repeated blocked drains are often caused by grease build-up, food waste, hair, wipes, soap residue, tree roots, or damaged pipe sections. Temporary clearing sometimes solves the symptom but not the actual cause.

If the same drain keeps blocking again, the real issue usually needs proper diagnosis instead of repeated short-term fixes.