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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.
Presented by Scott D. Wood on behalf of VaproShield LLC. View the Privacy Policy .
Presenter Information
Name: Scott D. Wood
Title: Senior Building Scientist, VaproShield LLC
Background: Scott D. Wood is a Senior Building Scientist at VaproShield, and is responsible for product quality assurance and control of manufactured materials and investigation and testing of properties for new product development. He provides technical support for the company’s representatives and clients' inquiries, and assists in development, updating product literature, and creating VaproShield’s AIA presentations. Scott’s extensive background has supported the excellent presentations he has given domestically and internationally.
