Automatic Under Door Drop Down Seal SKU: Automatic Under Door Drop Down Seal Pinit Quantity discounts available QuantityPrice Quantity -+ Add to Basket DescriptionAutomatic 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.DocumentationData Card: DownloadTechnical DWG Drawing: DownloadTechnical PDF Drawing: DownloadFitting Guide: Download