Floor soundproofing performance table


Floor Depth Gain Total system Performance airborne Typical Airborne Improvement Typical Impact Improvement Cost Indicator
EXPAND Absorbalay High Impact 15mm - 20mm 48 dB - 60dB 14dB - 7db 32dB - 35dB
EXPAND Acoustic Underlay 1.6mm - 9.5mm 18 dB - 52dB - 3 dB 18 dB - 26 dB
EXPAND Below Floor Soundproofing 2mm if Tecsound above floor - 3mm if Tecsound above floor 50 dB - 57 dB 13 dB - 19 dB 3 dB - 3 dB
EXPAND Floating Floor - 35mm - 60dB - -
EXPAND Replacement Soundproof Chipboard Floor 12mm - 13mm 53 dB - 57 dB 15dB - 19 dB 22 dB - 23 dB
EXPAND SBX Floor 15mm - 20mm 43dB - 54dB 17dB - 27dB 19dB - 24dB
EXPAND SIF Under Floor Hangers 7mm - 7mm 53dB - 53dB 17dB - 17dB 15dB - 15dB
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