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KoskiSound is a Finnish birch plywood with good sound reduction properties. It has a sound barrier in the middle of the board. The ethylene vinyl acetate EVA-based 3 mm thick sound-insulating material is primarily intended for insulation of air-borne sound, but has also some structure-borne sound damping properties, especially at low temperatures.
It is available in 8 x 4 ft (1.22 x 2.44 m) sheets, 10 mm (0.4 in) thick and may be coated with non-slip coatings.
KoskiSound is suitable for exterior and interior uses. Applications can be for sheet material for transport vehicle floors, shipbuilding and sound reduction boards.

Material Properties