Plenum Rated Sound Insulation

For additional fire and sound rated wall and ceiling assemblies utilizing thermafiber sound attenuation fire blankets contact thermafiber inc.

Plenum rated sound insulation.

The plenum barrier extends from the top of the partition to the underside of the floor or roof above blocking the plenum acoustically. Sound transmission class stc rating by 4 10 points. Comfortboard 80 exterior non structural insulation. Tests were performed according to astm e1414 standard test method for airborne sound attenuation between rooms sharing a common ceiling plenum and astm e413 classification for rating sound insulation.

It has an nrc of 95 which indicates that the cotton insulation absorbs nearly all sound furthermore quiet batt 30 improves sound control while maintaining traditional insulating resistance value r value. Ceiling partition sonobatt insulation reduces room to room noise transfer over the top of the partition. Is available in rolls measuring 3 ft. Sheald in weights of 2 lbs.

Easy installation installation of sonobatts insulation is easy. The cotton insulation absorbs sound within wall and ceiling cavities reducing the sound transfer from one space to the next. Ul design or other fire test or sound test information are identified at the end of the assembly description. Sheald for plenum barriers and sound insulation blankets weighs 1 lb.

A wide variety of systems are shown to provide choices in performance and cost. The suspended acoustic ceiling and lightweight plenum barrier work together effectively as a system to provide the same amount of sound isolation as the stc rated wall construction below the ceiling level. Wide rolls 36 feet l ong. And is thick.

Figure 3 shows the single and double layer stone wool plenum barriers being installed in the laboratory for testing. I t is normally supplied in 3 ft. Rockfon plenum barrier board is an air plenum barrier and is used to improve sound isolation and speech privacy between rooms. This acoustic blocking material installs quickly above interior partitions and can conform around pipes and ducts to act as a sound blocking wall panel.