Roof curbs to be insulated with 1 1 2 thick 3 lb density fiberglass insulation and have factory installed wood nailers.
Roof curb sound insulation.
All pennbarry roof curbs attenuate sound.
Specifications often call for sound curbs or sound attenuating curbs.
Roof curbs shall be level at the top with pitch built in when deck slopes 1 4 per foot or greater or as detailed.
Products manufactured in the usa by kinetics noise control.
Height to be 8 above finished roof or as de tailed.
Insulation also mitigates outside noise coming into buildings.
Internally insulated with 1 1 2 thick 3 lbs.
Operational sound is a fact of life for any roof fan regardless of how expertly engineered or finely balanced.
Specifications often call for sound curbs or sound attenuating curbs.
1 1 2 fiberglass sound attenuating thermal insulation.
Top of all roof curbs shall be level with pitch built into curb when deck slopes.
Curb mounted insulation helps absorb percentages of this sound.
Curb mounted insulation helps absorb percentages of this sound.
Minimum curb height is 8 on shortest vertical height standard height is 12.
Heights to be 8 above finished roof deck or as detailed.
All welded 18 gauge galvanized steel construction.
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.
Federal specification hh i 521f has been canceled and is replaced by astm c665.
Custom sizes with any roof pitch.
The surface burning characteristics of sound attenuation batt insulation were derived from product tests per astm e 84.
Operational sound is a fact of life for any roof fan regardless of how expertly engineered or finely balanced.
And skymaster power roof exhausters on exceptionally quiet ventilating applications or where the specifications require sound attenuating curbs.
Contractor fabricated roof curbs will not be accepted.
Fastcurbs offers custom roof curbs metal building roof curbs rooftop equipment rtu curb equipment rails skylight curbs and custom rooftop unit adapters.
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.