Sound Attenuating Roof Curb

Kinetics essr vibration isolated curb system addresses all noise sources associated with packaged rooftop equipment.
Sound attenuating roof curb. Roof curbs extensionspage header and equipment supports prefabricated roof curbs reduce installation time and costs by ensuring compatibility between the fan curb and roof opening. Accessible customer service policy. And skymaster power roof exhausters on exceptionally quiet ventilating applications or where the specifications require sound attenuating curbs. Curb mounted insulation helps absorb percentages of this sound.
Custom sizes with any roof pitch. By consistently upgrading our machinery and adding new technologies we have grown into a world class manufacturing facility focusing on accessory products for the commercial hvac industry. Sound attenuating curbs in several curb styles. Sound and vibration isolation roof curb.
A wide variety of roof curbs are available including. Minimum curb height is 8 on shortest vertical height standard height is 12. Operational sound is a fact of life for any roof fan regardless of how expertly engineered or finely balanced. 1 1 2 fiberglass sound attenuating thermal insulation.
All pennbarry roof curbs attenuate sound. Contains a streamline modular core of special acoustical fiberglass sound absorbing cells in a galvanized steel frame that reduces transmitted noise by approximately 40 and reduces total air flow by only 3 to 4. Specifications often call for sound curbs or sound attenuating curbs. From humble beginnings more than 35 years ago mgm products has its roots in the hvac industry supplying everything from ductwork to roof curbs.
2019 vibro acoustics a swegon group company. Minimum 16 high with optional damper box available. All welded 18 gauge galvanized steel construction. This acme development utilizes a core of modular type sound absorbing cells that exposes a very large sound absorbing surface to the sound transmitted to the curb from the power roof ventilator.
Flanged straight sided canted pitched ridged vented and sound absorbing. 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. Sound attenuation batt insulation complies with astm c 665 type i astm e 136 and the mea 332 83 m requirements of new york city. Federal specification hh i 521f has been canceled and is replaced by astm c665.