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ADHESIVE F3 STRIPS are self-adhesive SBR rubber strips, 3 mm (0.118 in) thick and 75 mm (3 in) high, used to decouple wall linings from the existing walls, ceiling and floor.
The adhesive makes them quick to place along the perimeter of the frame, and the rubber interrupts the rigid contact that would carry noise around the lining, reducing flanking transmission.