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(1.0 CEU) When water invades buildings from outdoors, it can damage the buildings and create health problems. Always strive to stop water before it enters a building. Correctly installed water barriers and flashing stop water from entering buildings. This lesson covers the following topics.

  • How outdoor water enters buildings.
  • Building details that keep outdoor water from entering a building’s roof, walls, and foundation.
  • Construction details explained include: water-resistive barriers, vapor retarders, drainage planes, and flashing.