• 4.3mm Elastromeric fins for smoke and acoustic sealing.
• Provides the perfect low-cost solution for maximising the acoustic performance of doors and sealing against cold smoke penetration.
• Air pocket design for optimal acoustc sealing.
• Low door opening & closing resistance.
• Tested up to 1 million operational cycles.
• Cold smoke leakage less than 3m3/m/hr.
• Suitable for new or retro-fitting.
• Maintenance free.
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