For over a decade, VaproShield has designed and manufactured high performance, mechanically attached and self-adhered vapor permeable, water resistive barriers (WRB) and air barrier (AB) systems and accessories, creating a total solution-based...

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Extending the Life of the Roofing Assembly

This course is no longer active. AEC Daily will not report completion information for this course.

Some roof underlayments can trap moisture, degrade insulation performance, and create excessive condensation accumulation. Breathable, self-adhering roof underlayments enhance the drying capacity of the roofing assembly and therefore improve roofing performance. This course investigates current developments in these easy-to-install, vapor-permeable roof underlayments that mitigate water intrusion, reduce long-term exposure to wetted substrates, and extend the life of the overall structure. The course concludes with several sample installations.

Upon completion of this course, the Learner should be able to:

  • Utilize the history of roof underlayments to inform contemporary selections.
  • Recall the differences between asphalt felt and synthetic underlayment when specifying roof underlayments.
  • Define the roofing assembly barriers for heat, air, moisture, and vapor.
  • Demonstrate how vapor-permeable roof underlayments provide superior drying capacity over conventional roof underlayments and extend the life of the roofing assembly.
  • Utilize details of roof underlayment installations effectively to improve roofing performance.

Approximately 1 hour. Delivered online, at your own pace.

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