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Course Description: AEC Daily: Extending the Life of the Roofing Assembly
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.