Minimum 16 high with optional damper box available.
Sound attenuating roof curb.
Minimum curb height is 8 on shortest vertical height standard height is 12.
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.
Accessible customer service policy.
All welded 18 gauge galvanized steel construction.
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.
All pennbarry roof curbs attenuate sound.
Federal specification hh i 521f has been canceled and is replaced by astm c665.
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.
Flanged straight sided canted pitched ridged vented and sound absorbing.
Custom sizes with any roof pitch.
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.
A wide variety of roof curbs are available including.
And skymaster power roof exhausters on exceptionally quiet ventilating applications or where the specifications require sound attenuating curbs.
The surface burning characteristics of sound attenuation batt insulation were derived from product tests per astm e 84.
Curb mounted insulation helps absorb percentages of this sound.
Fastcurbs offers custom roof curbs metal building roof curbs rooftop equipment rtu curb equipment rails skylight curbs and custom rooftop unit adapters.
Insulation also mitigates outside noise coming into buildings.
1 1 2 fiberglass sound attenuating thermal insulation.
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.
Operational sound is a fact of life for any roof fan regardless of how expertly engineered or finely balanced.
Kinetics essr vibration isolated curb system addresses all noise sources associated with packaged rooftop equipment.