Uploaded December 2016 | Updated September 2026, 1 hour ago

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Find out how the Osma Acoustic Coupler 4S125 can help you limit unwanted noise in soil stacks from expansion and structural borne sound.

This video covers:
Main Benefits:
• Limiting the effect of noise transfer between separating walls and floors.
• Managing expansion, so there's no stress on the pipework from thermal movement.
• Ability to check the expansion gap is present after the first fix is complete (if installed with an access pipe)
Design Detail: Using the Acoustic Coupler as a fixed point or non fixed point
Installation: Step by Step installation and visual checking that the expansion gap has been maintained post installation.


For a quick 60 second overview watch: youtube.com/watch?v=l8A6Pv966hE

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