Categories: Ceiling Treatments, Ceiling Sound Barriers, HVAC Noise Control, Sound Barriers, HVAC and Ceiling Plenum, PrivacyShield®
Speech Privacy Without the Noise!
The PrivacyShield® Plenum Return Silencer G2 stops airborne sound transmission through ceiling grid air returns to increase speech privacy. As a component of the PrivacyShield® system, use this in combination with the PrivacyShield® Ceiling Tile Barrier and Light Hoods to prevent sound from flanking over interior partition walls. Unlike other speech privacy systems, like sound masking, creating a soundproof ceiling grid provides a better, long-lasting alternative without adding fatiguing noise.
By and large, open plenum ceiling grid systems are intended to provide a low cost air return solution for office spaces and buildings. What is often overlooked is the need for speech privacy and sound control. An open air return permits air to cycle into the plenum, but it also allows sound and conversations to pass with it. This is especially true when the partition walls do not extend up to the roof deck. To address this issue, something needs to be placed at the sound source to prevent this sound transmission.
As the next generation of air silencers from Acoustical Solutions, the unit was specifically designed to provide a solution to this problem. As the air and sound enter the silencer, it is presented with a tortured path of sound absorbing material. Consequently, the sound is reduced and prevented from escaping to other rooms, while still maintaining air flow.
By soundproofing your grid, you can keep your conversations confidential and prevent annoying distractions that will lead to increased privacy and productivity as well as create a comfortable, relaxing space.
For use in standard 2′ x 2′ and 2′ x 4′ grids systems, the PrivacyShield® Plenum Return Silencer G2 is available for new or retrofit construction projects. Each shipment includes a pre-cut barrier tile backer, a vertical air chute with included 5″ corner extensions, and your choice of standard hood or hood with a 1 lb. per sq. ft. barrier septum and tape for assembly.
Speech Privacy and Soundproofing for Private Offices, Conference Rooms, HR Departments, Legal Departments and Medical Facilities. Noise due to roof top units, HVAC and other equipment.
Standard STC of 5
(Best for Speech)
1 lb Septum STC of 26
(Best for Music, Mechanical noise)
Please refer to the installation instructions posted in the Documents Tab of this page.
Construct this unit using the provided duct tape and place the unit in the ceiling grid on top of an existing perforated air return grill. To begin, assemble the two vertical air chute components into a square box, on top of the ceiling tile barrier mat, using the factory installed peel and stick tape. If plenum height is not sufficient, the 19” high vertical hood supports may be cut down to a 13” height.
Square up the assembled air chute, on top of the pre-cut ceiling tile backer (silver side up) and secure it to the ceiling tile backer with provided duct tape. Pass the completed air chute with barrier tile into the plenum and install on top of the existing perforated air return grill. Finally, pass the hood portion of the unit into the plenum and place on top of the installed air chute.
For more information on our PrivacyShield® Plenum Return Silencer G2, call us at 1-800-782-5742 or contact our sales department.
See how the PrivacyShield® system was installed at the offices of Tandem Mental Health Associates. Ceiling Tile Barrier, Light Hoods and a Door Seal kit were installed to block and prevent sound from passing between three offices.
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Tandem Mental Health Associates
Data Sheet for PrivacyShield® Plenum Return Silencer G2
Installation Guide for PrivacyShield® Plenum Return Silencer G2
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