Roof Curb Sound Insulation

Top of all roof curbs shall be level with pitch built into curb when deck slopes.
Roof curb sound insulation. Internally insulated with 1 1 2 thick 3 lbs. 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. Heights to be 8 above finished roof deck or as detailed. Insulation also mitigates outside noise coming into buildings.
Products manufactured in the usa by kinetics noise control. Insulation also mitigates outside noise coming into buildings. Minimum curb height is 8 on shortest vertical height standard height is 12. Height to be 8 above finished roof or as de tailed.
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. 1 1 2 fiberglass sound attenuating thermal insulation. All welded 18 gauge galvanized steel construction. The surface burning characteristics of sound attenuation batt insulation were derived from product tests per astm e 84.
Roof curbs shall be level at the top with pitch built in when deck slopes 1 4 per foot or greater or as detailed. Curb mounted insulation helps absorb percentages of this sound. Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer. Curb mounted insulation helps absorb percentages of this sound.
Specifications often call for sound curbs or sound attenuating curbs. Specifications often call for sound curbs or sound attenuating curbs. And skymaster power roof exhausters on exceptionally quiet ventilating applications or where the specifications require sound attenuating curbs. All pennbarry roof curbs attenuate sound.
Roof curbs to be insulated with 1 1 2 thick 3 lb density fiberglass insulation and have factory installed wood nailers. Custom sizes with any roof pitch. Sound attenuating curbs in several curb styles 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. Contractor fabricated roof curbs will not be accepted.
Operational sound is a fact of life for any roof fan regardless of how expertly engineered or finely balanced.