Automatic Drop Down Door Seal / Concealed Door Seal

Product Description

An automatic drop-down seal for doors is fitted to shut the gap between the door bottom and floor. It consists of an internal aluminium profile mountedwithin the door and of a second inner aluminium profile that is pushed downwards by a lever. The system is activated by a plunger that pushes against thedoor frame or on a specific external element when the door closes. Beginning from the plunger side, the internal profile drops downwards to complete itsmovement on the opposite side for a complete drop. This profile is equipped with a seal the type changes depending on the different models that stick to thefloor closing the gap for all the length of the door.

Application

• Wood doors.

Trimming Lengths

• Up to 150 mm on the opposite side to the plunger. Length 330 can be shortened 50 mm, length 430 can be shortened 125 mm.

Fixing Type

• With reassembled wood screws or self-tapping screws

Exceptional Acoustic and Environmental Control

Designed for up to 50dB noise reduction, the Automatic Drop Down Door Seal ensures a quieter, cleaner, and safer space. The self-leveling plunger guarantees a consistent seal, while the parallel drop mechanism adapts efficiently to various door gaps. This robust seal also blocks dust, light, and smoke, making it ideal for demanding environments.


Durability and Compliance Assured

Tested to demanding international standardsEN 1634 for fire and smoke, ISO 10140-2 for acoustics, and BS 476this drop seal ensures longevity and reliability. Its high impact ABS or metal end caps enhance durability, and a lifecycle of 200,000 cycles promises lasting performance. Fully RoHS compliant and designed to resist corrosion, it supports extended use in humid applications.


Effortless Installation and Versatile Application

The concealed mount fits discreetly into the bottom groove of doors, maintaining aesthetic appeal. Suitable for wooden, steel, and aluminium doors, installation is direct with screw fixing or insert method. Multiple finish options and replacement inserts are available, ensuring simple maintenance and compatibility with a range of commercial and residential door types.