Acoustic & Fire Intumescent Strip – Dual Performance Sealing for Studios & Theaters

Product Overview Engineered to combine acoustic insulation with fire protection, this intumescent strip is ideal for music rooms, studios, and theaters where both soundproofing and safety are essential.

Features Reduces airborne sound leakage High-expansion fire barrier Flexible and durable under compression Compatible with acoustic-rated doors.

Technical Specifications Material: Graphite intumescent + acoustic sponge Sound Rating: Up to Rw 38 dB Fire Temp Activation: ~190°C Sizes: 15x4mm, 20x4mm, 25x4mm Fire Resistance: BS 476-22 compliant.

Applications Cinemas, theaters, and music studios Broadcast and podcast rooms Conference facilities Recording booth entries.

Customization Options Custom sponge density and hardness Size and color per spec Optional peel-off adhesive Co-branding and private labeling.

Shenzhen Xunzhi Building Materials Industrial Co., Ltd. is an integrated enterprise specializing in design, production, and sales, with many years of experience in manufacturing and technical product development. The company has two subsidiaries: Hong Kong Ruisong Technology Co., Ltd. and Sanya Ruisong Technology Co., Ltd. It is a professional manufacturer of door and window seals, curtain wall seals, and vehicle door sealing strips, providing one-stop rubber sealing solutions to global customers for many years.

We specialize in the production and processing of various sealing and molding products, including PVC (Polyvinyl Chloride), EPDM (Ethylene Propylene Diene Monomer), high-grade thermoplastic rubber (Santoprene), silicone rubber, dual-hardness sealing strips, rigid decorative strips, EVA single- and double-sided adhesive products for doors, windows, and curtain walls, as well as molded parts and plastic-rubber injection components.

The company is equipped with a strict quality assurance system, comprehensive testing procedures, and excellent after-sales service. Our products are highly recognized and praised by industry professionals, and are exported to Europe, America, Southeast Asia, and Hong Kong and Macao regions.