Automatic Under Door Drop Down Seal

SKU: Automatic Under Door Drop Down Seal

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Automatic drop down seal for mortising into underneath of door.
No power connection is required - high efficiency mechanism lifts the seal clear of the floor as soon as the door is opened by a few millimetres, resulting in lower door operating forces.
Self-levelling on uneven floors.
Protects against sound, smoke, fire, draught, light and insects.
Can be used on single or double doors and left or right handed doors.
Spec info: - Acoustic test: BS EN ISO 10140-2: 2010 (up to Rw 39dB). - Smoke test: BS EN 1634-3: 2004 & BS 476-31.1: 1983. Meets smoke requirement BS 9999: 2017. - Fire test: BS 476: Pt.20/22: 1987 & BS EN 1634-1: 2014.
Durability tested to 1 million cycles.