Structural

Interior Drain System

Structural · definition

A perforated channel installed inside the footing under the basement slab, feeding a sump — the common retrofit for chronic basement water.

Source: Basement Health Association — Basement Waterproofing

  • Footing

    The widened concrete base below a foundation wall or post that spreads the structure's load over enough soil to prevent settling. New str…

  • Slab

    A poured concrete floor or foundation surface. Moving plumbing in a slab-on-grade home means saw-cutting and patching concrete — a signif…

  • Joist Hanger

    A metal bracket that supports a joist or beam end at a flush connection. Correct hanger and the specified nails/screws are load-critical.

  • I-Joist

    An engineered floor joist with a tall web and flanges (I-shaped) that spans far with little deflection. Web holes must follow the manufac…

  • Lally Column

    A steel pipe column (often concrete-filled) supporting a girder in a basement. Adjustable types are temporary only; permanent columns mus…

  • Hydrostatic Pressure

    Water-table pressure pushing against foundation walls and slabs — the driving force behind most basement leaks and wall bowing.

  • Live Load

    Transient loads — occupants, furniture, snow — that a structure must carry. Code sets minimums by room use (e.g., higher for decks and as…

  • Helical Pier

    A screw-in steel pile driven to stable soil to underpin or support a foundation. A common engineered fix for settlement without large exc…

Where this term fits in a remodel

The pillar guides set terms like this one in context — what the work involves, what drives its cost, and where it sits in the sequence of a project. Pricing a specific house takes a defined scope and an on-site assessment.

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