
R-2.2, Quiet Rotary Liner, Duct Insulation, 634215 (In-Store Pickup Only)
Acoustic Rotary Duct Liner 1/2" x 47-1/2" x 100' Roll R2.2 Key Features: Absorbs fan and air turbulence noise and reduces popping noises within sheet metal ducts. Outstanding thermal and acoustical performance. Bacterial and fungal growth resistant with an EPA registered biocide that protects the airstream surface from microbial growth. Product Applications/Installation: All portions of duct designated to receive QuietR Textile Duct Liner shall be completely covered with duct liner, adhered to the sheet metal with 90% coverage of adhesive complying with ASTM C 916. Transverse joints shall be neatly butted and there shall be no interruptions or gaps. All transverse joints shall be edge coated. Metal nosing on leading edges must be used where duct liner is preceded by unlined metal, and on all upstream edges when velocity exceeds 4,000 fpm (20.3 m/s). The black mat faced surface of the duct liner shall face the airstream. QuietR Textile Duct Liner shall also be secured with mechanical