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dB Matting 3 is a shallow overlay treatment for improving impact sound transmission through a party floor. dB Matting 3 is generally installed over a concrete floor to isolate impact transmission from the structure. dB Matting 3 is an ideal solution to upgrade impact performance through a high mass floor structure. Floorscan Acoustics have test data for dB Matting on most floor build ups. Please contact us for this information. Please consult the dB Matting datasheet for full installation & performance information.