Heavy Duty Automatic Drop Seal

UNILOCK UB04 Heavy Duty Automatic Door Bottom Drop Seal engineered for industrial, hospital, hotel, music studios and oversized doors requiring superior acoustic and smoke protection.

Its robust spring mechanism provides consistent sealing performance and long-term durability with adjustable brass plunger operation.

UB 04

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PRECISION ENGINEERING

Heavy-duty engineering.

The UB04 automatic drop seal is engineered for doors that demand uncompromising performance. Designed for hospitals, hotels, studios, and commercial facilities, it provides reliable acoustic and smoke containment while maintaining smooth door operation.

A durable internal mechanism and adjustable brass plunger ensure consistent sealing action over time, compensating for floor irregularities up to 13 mm without sacrificing aesthetics or functionality.

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