33dB Car Noise Insulation

STP Qattara Car Soundproofing Sheet

STP Qattara Car Soundproofing Sheet

STP Qattara is listed as a 6 mm multi-layer automotive sound-insulation material combining sound absorption and soundproofing performance. Its stated construction includes a foam-polypropylene layer, a water-resistant mastic adhesive layer and a heavy soundproofing membrane.


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