Attributes of Tyvek®: Durability

The durability of a building wrap is a benefit that's often misrepresented. Competitors inappropriately cite high tear resistance while ignoring the fragility of the microporous films they use. Meanwhile misinformation about exposure limits to ultraviolet (UV) radiation and surfactants mislead prospective buyers.

Learning Objectives

At the conclusion of this lesson, you will be able to:

• Understand the testing methods for mechanical durability
• Explain the problem with the durability of perforated or laminated film housewraps
• Explain the effect UV exposure can have on asphalt felt
• Understand surfactants and the effect they can have on housewraps
• Understand why DuPont Building Envelope Solutions products are a durable solution to help protect structures from water and air infiltration

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