The DuPontTM Tyvek® FAQ section answers questions ranging from product advantages to proper installation methods and energy efficiency.

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1. All products below are listed alpha-numeric order. These listed products can be narrowed by using the search filters to the right. These filters cover the following.
2. Even professionals often confuse the term "vapor barrier (or vapor retarder)" with the term "moisture barrier (or moisture retarder)". Here is the difference.