Page 154 - LNA Standards Manual 2018 update

Acoustics BLOCK Transmission Class (STC) rating of any assembly should be 40 or better.
any assembly should be 46 or better. Back-to-back outlets should not
In conference rooms, training rooms and executive offices the STC of

Where fixed, ceiling-high, drywall partitions are used, the Sound

hardening acoustic sealant. be used and all walls should be sealed to structure with non- Ceiling-high mullion-less glass partitions must have joints caulked. Doors should be solid core wood or acoustic lined and should have an automatic door bottom and a fully gasketed interface between the door and frame. Glass doors should be laminated and fully framed. Flanking paths should be limited in the overall design of the space.