DNC-B is double layered door sound insulation, with NRC 1.0 (100% sound absorption) and will reduce large amount of noise coming through the door, but remember will not mute sound completely, because NRC standard do not measure whole hearing range.
Impressive Quantity and Size: you will receive 4 pieces of sound absorbing blankets, which ensure broad coverage for a quieter space; Measuring about
Tudomro 4 Pcs Soundproof Blanket Sound Dampening Blanket with Grommet Outdoor Noise Barriers Studio Insulated Sound Absorption Sheet for Door Acoustic
Enhanced Sound Quality: made of a blend of quality cotton felt and oxford cloth, our sound proof blanket offers nice sound absorption and insulation,
Fabbay Large Sound Dampening Blanket Soundproof Blanket for Door Acoustic Noise Blocking Blanket Studio Sound Absorption Sheet (95 x 52 Inch)
Sliding door fitting, HAWA Junior 100 B, Acoustics Set - in the Häfele America Shop
RYB HOME Large Soundproof Blanket, Thermal Insulated Door Curtains for Doorway Noise Reducing Divider for Workshop Basement Laundry Acoustic Covering as Moving Blanket, W48 x L96 inch, Grey, 1 Panel
SELECTSOUND® BLACK ACOUSTIC BLANKET
Door acoustic blanket DNC-B, Black 100 x 235cm, double-layered door sound insulation
PrivacyShield® AQFA-10EXT Exterior Soundproofing Blanket - Acoustical Solutions
Window acoustic blanket WNC-B, Black 100 x 180cm, double-layered window sound insulation
Soundproof Blanket,Sound Proof Curtains for Doorway,Thermal Insulated Windproof Blackout Curtain,Darkening Noise Reducing Privacy Divider Drapes,Lining Silk Cotton,for Living Room Bedroom,Customizable : Home & Kitchen
Door acoustic blanket DNC-B, Black 100 x 235cm, double-layered door sound insulation
RYB HOME Large Soundproof Blanket, Thermal Insulated Door Curtains for Doorway Noise Reducing Divider for Workshop Basement Laundry Acoustic Covering as Moving Blanket, W48 x L96 inch, Grey, 1 Panel
Sliding door fitting, HAWA Junior 100 B, Acoustics Set - in the Häfele America Shop
Sliding door fitting, HAWA Junior 100 B, Acoustics Set - in the Häfele America Shop
Door acoustic blanket DNC-B, Black 100 x 235cm, double-layered door sound insulation
Door acoustic blanket DNC-W, White 100 x 235cm, double-layered door sound insulation