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WELTISO l Engineered Silence. Absolute Safety

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WELTISO l Architectural Silence. Absolute Fire Integrity.

When engineering the sensory experience of a large-scale structure, we do not leave acoustic regulation or critical life safety to chance. WELTISO acts as a definitive building barrier. It unites thermal insulation and Class C sound absorption with critical fire safety in a single, coherent system. We manufacture this stone wool and wood wool acoustic family under the strict technical license of Saint-Gobain Isover Grünzweig+Hartmann Germany Sillan. Featuring an A1 non-combustible classification and a melting point exceeding 1000°C, this material directly establishes the structure's ultimate line of defense.

Acoustic mass must elevate the interior architecture. To increase mechanical resistance, we integrated our 120 kg/m³ heavy-duty ULTRA line into the WELTISO series. The material maintains absolute dimensional stability under severe heat and humidity exposure. Its non-hygroscopic structure prevents capillary moisture wicking, ensuring complete immunity to mold, rust, and microorganisms. We align technical performance precisely with your aesthetic intent. We produce our panels in custom geometric cuts—from hexagons to rhombuses—and factory-color them to match your specific RAL or NCS project palette. Whether you require sharp acoustic integration in high-traffic commercial centers, massive atriums, or conference halls, WELTISO grants you total control over reverberation and visual rhythm.

Sourcing architectural materials on a global scale demands absolute certainty. We manage the entire lifecycle of WELTISO in-house. We melt locally sourced inorganic raw materials between 1350°C and 1400°C, fiberizing them into high-performance wool. Backed by the industrial engineering power of Sagist Group, we ship this system directly from our Turkish manufacturing base to your site without intermediaries. We execute lead-time control with uncompromising discipline and deliver to 73 countries.

Secure your project with a certified engineering solution that is field-proven across our active operations in more than 23 countries. Shape the sound. Command the space.

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