Sound Attenuating Roof Curb

Curb mounted insulation helps absorb percentages of this sound.

Sound attenuating roof curb.

Accessible customer service policy. From humble beginnings more than 35 years ago mgm products has its roots in the hvac industry supplying everything from ductwork to roof curbs. Custom sizes with any roof pitch. Minimum curb height is 8 on shortest vertical height standard height is 12.

The surface burning characteristics of sound attenuation batt insulation were derived from product tests per astm e 84. 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 attenuation batt insulation complies with astm c 665 type i astm e 136 and the mea 332 83 m requirements of new york city. Kinetics essr vibration isolated curb system addresses all noise sources associated with packaged rooftop equipment.

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. 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. Federal specification hh i 521f has been canceled and is replaced by astm c665. Insulation also mitigates outside noise coming into buildings.

1 1 2 fiberglass sound attenuating thermal insulation. And skymaster power roof exhausters on exceptionally quiet ventilating applications or where the specifications require sound attenuating curbs. All welded 18 gauge galvanized steel construction. 2019 vibro acoustics a swegon group company.

Operational sound is a fact of life for any roof fan regardless of how expertly engineered or finely balanced. 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. Specifications often call for sound curbs or sound attenuating curbs. 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.

Sound and vibration isolation roof curb. Sound attenuating curbs in several curb styles. Fastcurbs offers custom roof curbs metal building roof curbs rooftop equipment rtu curb equipment rails skylight curbs and custom rooftop unit adapters. All pennbarry roof curbs attenuate sound.