Drain systems in multi-unit buildings face heavier and more frequent use than many single-family homes. Without a structured maintenance plan, common problems—like slow drains, recurring clogs, foul odors, and sewage backups—can escalate quickly across units, hallways, and shared common areas.
This guide is designed for property managers and building operators who want a repeatable, documented approach to keeping main drains, venting, and unit-level plumbing functioning reliably while reducing disruption to tenants.
1) Start with a building drain map and baseline assessment
Before scheduling work, inventory your drainage infrastructure. Identify key components such as main stack(s), cleanouts, floor drains, sump pits (if applicable), interceptor drains, roof drains, and vent lines. Then document how drainage is connected from units to common piping and where access points exist for inspection and ma
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Added:
admin 10/11/2026
into the category «
Drain cleaning serviсe»
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