White Papers & Bulletins

What's new?

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  Diagonal Wrinkling

  Read our overview of the causes of diagonal wrinkling — commonly referred to as "racking" — as well as possible mitigation and remediation strategies.

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  Paraguard ANSI SPRI ES1 Maps

  An at-a-glance selection of wind maps detailing average U.S. wind speeds by location, American National Standards Institute Standard minimum design loads, wind speed categories, and more.

  View Maps
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  Paraguard ANSI-SPRI-ES1

  A reference for using Paragard Roof Perimeter Systems for those who design, specify, or install edge materials used with low-slope roofs, including a (relatively) simple method for the calculation of wind uplift pressures on building components and cladding.

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  VOC Regulations (7-7-2011)

  Guidance on using Siplast products to help meet the EPA's Clean Air Act regulations by reducing the release of Volatile Organic Compounds (VOCs) into the atmosphere.

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