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Kinetics™

Sound and Vibration Isolation Roof Curb

Model ESSR

The Kinetics ESSR is the only isolated curb system that addresses all four noise sources associated with packaged rooftop equipment. Here's how:

Vibration from fans and compressors (source 1) and vibration from casing radiated noise caused by duct turbulence and the airborne noise of the fans and compressors (source 2) are controlled with Kinetics high deflection, laterally stable coil spring isolators and high frequency neoprene noise pads.

Duct-borne noise from the supply and return air fans (source 3) are controlled using an aerodynamic acoustical silencer on the supply fan and an acoustical plenum on the return air side - both with minimal pressure drop.

Breakout noise through the bottom of the rooftop unit (source 4) is controlled by the Noiseblock STL acoustical panel located in the floor of the ESSR.

In the late 60's, Kinetics introduced the first spring isolation rails, which were installed between the rooftop equipment and the roof curb. These did an excellent job isolating the vibration from the rooftop equipment to the building structure; however, they did not address the problems of duct-borne noise or equipment breakout noise into the conditioned space.

Today, Kinetics introduces the ESSR. The ESSR incorporates all the features of our ESR vibration isolation curb with our Vibron aerodynamic acoustical silencers; return air plenums and Noiseblock STL panels. This gives you a noise control system that addresses all the noise and vibration concerns of your packaged rooftop equipment: vibration from the rotating equipment and casing radiation, duct-borne noise from supply and return fans, and breakout noise from the fans and compressors into the space below.

You tell us the NC level you want, the packaged system you want to use and some information on the building construction and we select the ESSR package designed to meet your needs. As with the ESR, the ESSR can be designed to meet all seismic and wind load code requirements. The ESSR is a modular system based on your needs. You may not need the acoustical return air plenum and the aerodynamic supply silencer - one or the other may be sufficient. Depending on the roof construction and the space usage below the packaged unit, the STL panels may not be required. We will select only the acoustical elements necessary to meet your needs.

Sound and Vibration Isolation Curb
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ESSR with Elbow 'VES' Silencer

ESSR with Elbow VES Silencer

ESSR with NOISEBLOCK™ Floor

ESSR with NOISEBLOCK Floor

ESSR with Z-Shaped - (2) 'VES' Silencers in Series

ESSR with Z-Shaped - 2 VES Silencers in Series

ESSR with Straight 'VRS' Silencer with NOISEBLOCK™ Floor

ESSR with Straight VRS Silencer with NOISEBLOCK Floor

ESSR with NOISEBLOCK™ Air Plenum

ESSR with NOISEBLOCK Air Plenum

ESSR with Elbow + Straight Silencers + NOISEBLOCK™ Floor

ESSR with Elbow + Straight Silencers + NOISEBLOCK Floor

ESSR with Elbow 'VES' Silencer and NOISEBLOCK™ Floor

ESSR with Elbow VES Silencer and NOISEBLOCK Floor

ESSR with Z-Shaped - (2) 'VES' Silencers in Series and NOISEBLOCK™ Floor

ESSR with Z-Shaped - 2 VES Silencers in Series and NOISEBLOCK Floor