Topic outline

  • Weather-tightness relates to keeping water from causing damage to the building structure.

    water droplets

    In this section you will look at the following principles:

    • The 5 D's of weather-tightness
    • Capillary action
    • Sealants
    • Methods for diverting water on roofing systems

       

      

       

      

        

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    • Lesson icon
      Principles of Weather & Water Tightness Lesson
      Spend at least 5 mins on this activity Go through the activity to the end

      This lesson looks at the principles related to the construction of a building. This is broader than the plumbing context alone but is relevant when building penetrations and flashing work is being undertaken. It also covers the principles of capillary attraction and sealants.