Скачать или смотреть Controlling Water, Air, and Vapor at the Roof Deck (Building Resilience Show)

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A roofing system's critical job is to stop liquid water. Stopping air greatly reduces energy use but can trap moisture—UNLESS the peel-and-stick roofing membrane is vapor-permeable, like VaporDry from Benjamin Obdyke. Atop the VaporDry, we added a layer of cedar Breather, an entangled mesh material that creates a ventilation space, allowing multi-directional airflow. This ventilation space will remove any vapor escaping from the roof, remove some of the summer heat generated by the dark metal roof that will go above, and help prevent any ice dams in winter.

00:00 Intro and opening
01:24 VaporDry is a roofing membrane that stops air and allows vapor to escape
03:26 Installing VaporDry: Put it on the line and stick it
04:34 Repositioning the roofing membrane is simple
05:31 Cedar Breather creates a ventilation space


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