Roof Curb Sound Insulation

Roof curbs shall be level at the top with pitch built in when deck slopes 1 4 per foot or greater or as detailed.

Roof curb sound insulation.

Roof curbs to be insulated with 1 1 2 thick 3 lb density fiberglass insulation and have factory installed wood nailers. 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. Custom sizes with any roof pitch.

Products manufactured in the usa by kinetics noise control. Curb mounted insulation helps absorb percentages of this sound. 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.

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. Top of all roof curbs shall be level with pitch built into curb when deck slopes. Height to be 8 above finished roof or as de tailed. 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.

Fastcurbs offers custom roof curbs metal building roof curbs rooftop equipment rtu curb equipment rails skylight curbs and custom rooftop unit adapters. 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. And skymaster power roof exhausters on exceptionally quiet ventilating applications or where the specifications require sound attenuating curbs. Heights to be 8 above finished roof deck or as detailed.

Operational sound is a fact of life for any roof fan regardless of how expertly engineered or finely balanced. Contractor fabricated roof curbs will not be accepted. Internally insulated with 1 1 2 thick 3 lbs. Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer.

All pennbarry roof curbs attenuate sound. All welded 18 gauge galvanized steel construction. Specifications often call for sound curbs or sound attenuating curbs. Federal specification hh i 521f has been canceled and is replaced by astm c665.

Specifications often call for sound curbs or sound attenuating curbs.