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.
Sound attenuating roof curb.
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.
All welded 18 gauge galvanized steel construction.
From humble beginnings more than 35 years ago mgm products has its roots in the hvac industry supplying everything from ductwork to roof curbs.
Fastcurbs offers custom roof curbs metal building roof curbs rooftop equipment rtu curb equipment rails skylight curbs and custom rooftop unit adapters.
Minimum 16 high with optional damper box available.
Custom sizes with any roof pitch.
Accessible customer service policy.
And skymaster power roof exhausters on exceptionally quiet ventilating applications or where the specifications require sound attenuating curbs.
Sound attenuating curbs in several curb styles.
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.
Insulation also mitigates outside noise coming into buildings.
Kinetics essr vibration isolated curb system addresses all noise sources associated with packaged rooftop equipment.
Specifications often call for sound curbs or sound attenuating curbs.
Sound and vibration isolation roof curb.
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.
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.
Federal specification hh i 521f has been canceled and is replaced by astm c665.
Curb mounted insulation helps absorb percentages of this sound.
Minimum curb height is 8 on shortest vertical height standard height is 12.
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.
1 1 2 fiberglass sound attenuating thermal insulation.
The surface burning characteristics of sound attenuation batt insulation were derived from product tests per astm e 84.
Flanged straight sided canted pitched ridged vented and sound absorbing.
