Sound Stop Blanket

MLV Septum 4", 0.75# (3000P-4075-S)

MBI Sound Stop Blanket prevents sound transmissions between rooms with its ultimate sound-stopping power.

Acoustical elements absorb sound on both sides of the blanket while a mass loaded vinyl septum prevents the sound from traveling through to the other side.

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Thickness Density Construction Edge Detail Finish Suspension
4" 0.75# Heat Sealed Natural PVC Film Stiffener + Screw Down

PDF download full specification (PDF)


Acoustical Performance


Installation Options


>> SOUND | evidence

3000P-4075-S The Sound Stop Blanket product line.

3000P-4075-S 3000P-4075-S
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Room dimensions:
L: W: H:   feet   meters

Desired reverberation time
1.5 sec (text/speech)   2.0 sec (music)

>> SOUND | waves

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