Menu
HPD Collaborative HPD Public Repository

HPD Public Repository

Withdrawn HPDs

1–4 of 4 HPDs

Filter results

  1. Levelrock Brand SRB Sound Reduction Board/USG/2025-09-12

    Levelrock Brand SRB Sound Reduction Board/USG/2025-09-12

    No cover yet

    Open the PDF · HPD 41811

    Expiration Date: 2028-08-04

    Please enter your email address to download the file.

    Levelrock® SRB™ Sound Reduction Board is an economical high-performance panel that helps floor-ceiling assemblies meet IIC and STC acoustical requirements. The panel provides excellent sound control in all types of construction while…

  2. Levelrock Brand SAM-N Supreme Series Sound Attenuation Mats/USG/2025-10-07

    Levelrock Brand SAM-N Supreme Series Sound Attenuation Mats/USG/2025-10-07

    No cover yet

    Open the PDF · HPD 41204

    Expiration Date: 2028-10-07

    Please enter your email address to download the file.

    Levelrock® SAM-N™ Supreme Series Sound Attenuation Mats are premium sound mats designed to help meet or exceed the demanding IIC requirements in mass timber construction. These multi-layered mats feature uniquely engineered lightweight…

  3. USG Levelrock Brand SAM-N SAM-N Ultra Series Sound Attenuation Mats/USG/2025-10-07

    USG Levelrock Brand SAM-N SAM-N Ultra Series Sound Attenuation Mats/USG/2025-10-07

    No cover yet

    Open the PDF · HPD 38045

    Expiration Date: 2028-10-07

    Please enter your email address to download the file.

    Levelrock® Brand SAM-N™ & SAM-N™ Ultra Series Sound Attenuation Mats increase sound absorption and helps achieve superior IIC ratings in demanding sound environments. The sound mats can be used over a variety of subfloors including…

  4. USG Levelrock Brand SAMN25 Supreme Sound Attenuation Mat/USG/2024-06-19

    USG Levelrock Brand SAMN25 Supreme Sound Attenuation Mat/USG/2024-06-19

    No cover yet

    Open the PDF · HPD 38046

    Expiration Date: 2027-06-19

    Please enter your email address to download the file.

    USG Levelrock® Brand SAM-N25™ Supreme Sound Attenuation Mat is a premium sound mat designed to help meet or exceed the most demanding IIC requirements. It is a multi-layered mat featuring uniquely engineered lightweight glass fibers with…