STP Sonora Door Sound Insulation Sheet

Category: STP Soundproofing

Description

Specifications

SKU: STP-SONORA

STP Sonora is a 5.2 mm next-generation material for door sound insulation, intended as a second-layer treatment where moisture is regularly present.The soft foam-polypropylene layer is non-hygroscopic, while the mastic adhesive layer provides strong adhesion. A dense soundproofing membrane helps reduce external noise entering the cabin.<ul><li>Thickness: 5.2 mm</li><li>Sheet size: 750 × 470 mm</li><li>Package coverage: 2.12 m² (6 sheets)</li><li>Airborne noise insulation index: 31 dB</li><li>Temperature range: −30°C to +80°C</li><li>Recommended area: door inner space, second layer</li></ul>FAQ: Can Sonora be used inside doors with occasional moisture? Yes—this is its primary intended application.Contact City Sound for installation and stock availability.

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STP Sonora Door Sound Insulation Sheet

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