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Automatic Door Drop Seal

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Glass Door Automatic Drop Down Seal / ADDS-M

Tested by

BS EN 1191: 2012 opening and closing 100000 cycles

ISO 10140-1:2010 for acoustic rating of 50db

UL 10C 60 Mins Fire Resistance Test and Hose Stream

High Performance

Support size customization

Low Maintenance Cost

10 Years Long Life

Product Brochure: DOWNLOAD

  • Introduction
  • Description
  • Application
  • Specifications
  • Advantage

The Acoustic Door Drop Seals are designed for the gap between the door bottom and floor, it provides an excellent barrier to airborne sound and helping to ensure that the acoustic attenuation provided by a door set .


The exterior-mounted drop down seal is suitable for post-repair projects. If the door has been installed in place, it needs to add sound insulation, temperature insulation, dust prevention and other functions. It is simple and convenient to install on the surface of the door bottom; the appearance is beautiful.

Location:The bottom of glass panel

Installation:The drop seal body back side and plate cover with strong adhesive tape

Seal:TPE in black color

The Sealing gap:3-20mm

Available length:450-2500mm

Finish:Silver,black or bronze anodized aluminum

Package:Packing each with screws bagged and attached in a poly bag, 25 PCS in a strong master carton to be shipped.






280 mm cuts to 260 mm

450 mm cuts to 280 mm

610 mm cuts to 450 mm

820 mm cuts to 610 mm

920 mm cuts to 820 mm

1070 mm cuts to 920 mm

1220 mm cuts to 1070 mm

1540 mm cuts to 1220 mm


Sound proof / Wind Dust proof/ Cold Air proof/ Hot Air proof

Light proof / Insect, Mildew and Fungus &Vermin proof / Fire Labeled



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