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HPD Public Repository

Withdrawn HPDs

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  1. Timberline HDZ Shingles/GAF/2025-01-21

    Timberline HDZ Shingles/GAF/2025-01-21

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    Open the PDF · HPD 15540

    Expiration Date: 2028-01-21

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    This HPD covers Timberline HDZ® and Timberline HDZ® RS shingles. Timberline HDZ® and Timberline HDZ® RS Shingles offer the right combination of beauty, performance, and reliability - featuring LayerLock® Technology, which powers the…

  2. Premium Acrylic HydroStop Top Coat formerly HydroStop PremiumCoat Finish Coat/GAF/2024-11-19

    Premium Acrylic HydroStop Top Coat formerly HydroStop PremiumCoat Finish Coat/GAF/2024-11-19

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    Open the PDF · HPD 15205

    Expiration Date: 2027-11-19

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    Premium Acrylic HydroStop® Top Coat is a water-based acrylic top coat that is low VOC, has superior UV and weather resistance, and is simple to apply and maintain.

  3. EnergyGuard Polyiso Insulation/GAF/2024-06-20

    EnergyGuard Polyiso Insulation/GAF/2024-06-20

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    Open the PDF · HPD 14194

    Expiration Date: 2027-06-12

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    EnergyGuard™ Polyiso Insulation board is made of glass fiber reinforced cellulosic felt facers bonded to a core of isocyanurate foam. This HPD covers all GAF EnergyGuard™ Polyiso products (flat and tapered boards; all thicknesses).