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(1.5 CEUs) Unventilated roof systems or above-roof ventilation are more common in other countries compared to the USA. With conventional US vented roofs, the ventilation air flows below the roof deck. However, the less common solutions in this course have design advantages over the conventional roof ventilation. This course covers the following topics.

  • How to build unventilated roofs.
  • How to ventilate a roof above the roof deck.
  • Energy and durability problems in unventilated roofs.
  • Important design details that can protect unventilated roofs from heat and moisture damage.