Tag Archives: 07 27 00–Air Barriers

Use of vapor retarders to reduce moisture covered in new e-book

What is a “moisture sandwich”? In a new e-book from The Construction Specifier, Ted Winslow of CertainTeed Insulation explains how tight-envelope construction techniques have led to a steep reduction in air movement through walls. This means moisture gets trapped inside wall cavities without sufficient means for it to escape, leading to reduced drying potential for a wall’s interior. This “moisture sandwich” is occurring with increasing frequency as architects incorporate newer insulation practices to enhance energy … Continue reading Use of vapor retarders to reduce moisture covered in new e-book

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The multiple purposes of air barriers

The need for energy efficient buildings is the largest driving factor behind product innovation and building science advancements in air barrier materials. However, other equally important aspects of modern construction are sometimes overlooked by building professionals.

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