Description
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Thermobreak® LS Thermal Insulation sets a new benchmark in closed-cell polyolefin insulation for HVAC, ducting, and piping applications. Developed using Sekisui’s proprietary physically crosslinked technology, it features a fine, uniform cell structure that ensures exceptionally low thermal conductivity and near-zero water vapor permeability. This combination provides up to 18% better insulation performance than traditional elastomeric and chemically crosslinked foams.
Key Features & Benefits
• High Thermal Efficiency: Thermal conductivity as low as 0.032 W/m·K at 23°C, helping reduce energy costs and improve building sustainability
• Superior Fire & Smoke Safety: Complies with multiple international fire standards, including ASTM E84 (25/50), BS 476 Class 0, EN 13501-1 (Euroclass B-s2, d0), ISO 5659-2, and AS 1530.3. FM-approved up to 25 mm thickness.
• Environmental Excellence: Low VOC emissions, Green Star compliant, no CFCs, HCFCs, PVC, or formaldehyde, and zero ozone depletion potential. Fully compliant with REACH and RoHS directives, supporting LEED and Estidama green building credits.
• Durability & Longevity:
• Factory-applied reinforced aluminum foil vapor barrier for maximum protection.
• Repositionable acrylic adhesive system ensures 100% surface coverage and easy installation.
• Closed-cell structure resists moisture absorption and fungal growth.
• Backed by a 10-year manufacturer warranty.
• Proven Reliability: With 30+ years of field performance and installation in over 600 global projects (including The Address Sky View and Burj Vistas in Dubai, Avenues Mall in Oman, and Coca-Cola facilities), Thermobreak® LS is trusted worldwide.
Applications
• HVAC duct and pipe insulation
• Commercial, residential, and industrial buildings
• Green and sustainable construction projects
















