HPD Collaborative — HPD Public Repository

HPD Public Repository

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  1. Expired: Armstrong Ceilings Calla/Armstrong World Industries/2019-12-19
    Cover of Armstrong Ceilings Calla — open the PDF

    Open the PDF · HPD 9726

    HPD has expired. Expiration Date: 2022-09-20

    Please enter your email address to download the file.

    The smoothest finish mineral fiber ceiling available with Total Acoustics™ performance – excellent noise reduction and sound blocking in one product.

  2. Expired: Armstrong Ceilings Calla/Armstrong World Industries/2021-12-13

    Open the PDF · HPD 50320

    HPD has expired. Expiration Date: 2023-09-16

    Please enter your email address to download the file.

    The smoothest finish mineral fiber ceiling available with Total Acoustics™ performance – excellent noise reduction and sound blocking in one product.