Automatic Drop Seal ADB-007

Product Summary: Semi Mortised Type Suitable for Concealed Installation

Heavy Duty Door Bottom Aluminum Seals Automatically lift Weather Stripping apply to the door with the half side groove or without groove

Material Aluminum alloy frame + silicone sealing strip + 304 stainless steel accessories
Seal Material Silicon rubber or EDDM seal
Location Door bottom or sliding door edge
Finishes Aluminum, Dark Bronze Anodized, custom powder coated finishes upon request
Standard Lengths 800mm, 915mm, 1000mm. Can be cut according to customer request
Mounting Type Surface Mounted Type
Min/Max Gap Size 3mm / 15mm

Product Details

Automatic Drop Seal ADB-007 Product Description

Automatic Drop Seal ADB-007 Is apply to the door with the half side groove or without groove, It may require removal of door if the door does not have cut out.

This product surface is matte silvery white aluminum alloy profile, after hard anodizing treatment, sealing material is silicone rubber. It is easy to install on the  door.

When the door is closed, the door frame squeezes the adjusting stainless steel screw to make the sealing strip move downward to close the gap at the bottom of the door.

As long as the door open a few millimeters, the seal will automatically lift off the ground, does not hinder the door open and close, will not wear the ground.

The utility model can effectively block the functions of mosquitoes, flies, reptiles, air-conditioner leakage, noise pollution, wind dust, etc. . Installation of a flat rear door appearance without any impact

Automatic Drop Seal ADB-007 Product Display

Automatic Door Bottom ADB-007H

How to Install Semi Mortised Type Automatic Drop Seal

Automatic Drop Seal ADB-007(c)1

OEM & Customization Options

Tailored Solutions for Every Project

At DAOSEAL, we offer flexible OEM and customization options to match your specific needs.  

  • Custom logo sample image on product or packaging
  • Packaging types (color box, film wrap, etc.)
  • Color and size swatch grid 

Let’s Customize Yours

Factory & Quality Control

Precision Manufacturing, Assured Quality

DAOSEAL maintains strict quality control across every step of the manufacturing process. From material selection to final inspection, we ensure every automatic door bottom meets our highest standards.

  • State-of-the-art production lines
  • In-house inspection & testing equipment
  • Strict compliance with ISO standards
  • Final QC checks before packaging
Automatic door bottom Life cycles test machine from daoseal

Life cycles Tester

Salt-Spray Tester from Daoseal

Salt-Spray Tester

automatic door bottom test from daoseal

Automatic door bottom Test

Customer Reviews & Feedback

Trusted by Global Clients

Discover what our customers say about DAOSEAL’s s  Automatic door bottom. From product performance to support experience, we’re proud to be their sealing solution partner.

As a door manufacturer in the UAE, we need reliable sealing strips that perform well under heat and dust. Daoseal’s automatic door bottoms are exactly what we needed. The best choice for high quality automatic door bottoms
Ahmad Asher from Tur Middle east
Ahmed
Operations Director, Gulf Door Systems
We’ve sourced automatic door borrom from Daoseal for several large-scale housing projects in Canada. Their quality control is excellent, and the custom sizes fit perfectly. Top-notch atutomatic door bottom solutions
Sarah Thompson from Pemok
Sarah Thompson
Buyer, Pemoka
Daoseal’s Automatic door bottom are top-notch. Reliable and efficient automatic door bottom products, Excellent quality, fast shipping, and always consistent. Very good supplier. we Highly recommended!
Johannes Braun from Athemer
Johannes Braun
CEO, Athmer

Frequently Asked Questions

We are manufacturer base in China, Real factory no middleman

A: An automatic door bottom is a sealing device installed on the bottom edge of a door. When the door closes, an internal mechanism lowers the seal to block air, sound, dust, smoke, and light from passing through the gap under the door.

 A: Our models are compatible with wood, metal, glass, and acoustic doors. They can be surface-mounted or mortised depending on the door structure and installation needs.

A: Yes. We support full customization including lengths (up to 1000mm+), activation mechanisms (single plunger, double plunger), and sealing types (neoprene, silicone, brush insert).

A:Yes, we offer models designed for fire-rated doors and acoustic sealing applications. Let us know your project requirements and we’ll recommend the most suitable model.

A: Yes, each product comes with the required mounting accessories and installation guide for fast and easy setup.

A: Our standard MOQ is 200 pcs per model. For custom specifications or OEM requests, please contact us for a detailed quote.

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