Acoustic Drop-Down Threshold Seal 776mm-926mm
This acoustic drop down door seal is fire tested to BS EN 1634-1: 2014 for 30 & 60 minute fire doors, and smoke tested to BS EN 1634-3: 2004, acoustic tested to BS EN ISO 10140-2: 2010, and provides up to 44DB of sound reduction.
This drop-down door seal has a lightweight mechanism that is self levelling when activated. The ultra soft TPE self-extinguishing sound insulating seal is mounted in a satin anodised holder that is released when the door is closed, dropping on to the threshold and sealing the gap. When the door is opened, the spring-loaded mechanism retracts the seal back up in to the bottom of the door.
Installation is simple, rebate a channel in the bottom of the door 14mm wide to a depth of 35mm, cut the door seal to length and insert in to the rebate, a strike plate is attached to the door frame, and adjustment is made via the plunger.
This threshold seal is suitable for gaps between 3 and 17mm. Drop-down adjustment length is achieved by pulling out the actuator button and turning; anti-clockwise to lower, and clockwise to shorten the drop.
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