Extending the Life of the Roofing Assembly
Sponsored by VaproShield
Learning Objectives:
- Describe the history of roofing underlayments and define the roof assembly barriers: heat, air and moisture.
- Discuss the difference between asphalt felt and synthetic underlayment.
- Show how the mechanisms of vapor-permeable roof underlayments extend the life of the roof assembly.
- Articulate why a breathable roofing underlayment provides superior drying capacity over conventional roofing underlayments, and understand key details when installing a roofing underlayment.
Credits:
1 AIA LU/Elective
1 IIBEC CEH
0.1 IACET CEU*
As an IACET Accredited Provider, BNP Media offers IACET CEUs for its learning events that comply with the ANSI/IACET Continuing Education and Training Standard.
This test is no longer available for credit
This presentation provides detailed information on how breathable, vapor-open roofing underlayments mitigate water intrusion—extending the life of the roofing assembly. We will also examine how a breathable roofing underlayment can provide drying and ease installation.
Illustration courtesy of VaproShield
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Scott D. Wood is a Senior Building Scientist at VaproShield, and is responsible for product QA/QC on manufactured materials and investigation/testing of properties for new product development. He provides technical support for the company’s representatives, client inquiries and assists in development—updating product literature and creating VaproShield’s AIA presentations. |
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VaproShield designs and manufactures high-performance water resistive air barrier wall membranes, roofing underlayments, and accessories to protect the wall and roofing assemblies from moisture and air infiltration. |
Originally published in June 2021
