Flashing

Construction terms · plain-language definition, with its source

Construction terms · definition

Thin water-resistant material installed at joints and transitions (roof-to-wall, around windows and penetrations) to direct water away and prevent leaks into the assembly.

Source: Wikipedia — Flashing (Weatherproofing)

Where this comes up on this site

  • Penetration

    Any object passing through the roof (vent, pipe, skylight, chimney). Every penetration is a deliberate hole that must be flashed to stay…

  • Floor Plan

    A scaled overhead view of a level showing walls, rooms, openings, and fixture locations. The primary drawing for understanding layout and…

  • Finish Schedule

    A table in the drawings specifying the exact finish for every surface in every room — flooring, wall, ceiling, trim — so selections are d…

  • 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…

  • Excavation

    Earth removal for foundations, footings, or utilities. Regulated for cave-in safety and requires utility locating before digging.

  • Foreman

    The lead worker who directs a specific crew or trade on site, working alongside the team while ensuring the work meets plan and schedule.

  • Elevation

    A flat, straight-on drawing of one face of a structure or wall (e.g., a kitchen wall elevation) showing heights and vertical relationship…

  • Foundation

    The structure (slab, crawl space, or basement) that transfers the building's load to the ground. Foundation condition underlies the feasi…

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