Acoustic Door Seal Sealing Strip Fire Stopping Material for Sound Insulation

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Product Description

◈ Basic Information
Model NO. Door Bottom Acoustic Sealing Strip
Type Metal Rubber Compound Sealing Strip
Performance Acoustic, Fireproof, Smoke-Proof
Material Aluminum Shell + Copper/Rubber Connector
Open/Close Test 500,000 Cycles
Application Water/ Sound/ Wind/ Fire Proof
Color White/Grey/Black
Main Feature Automatic Drop-down Design
Durability Excellent Ageing Resistance
Package Size 105.00cm * 17.00cm * 9.00cm
◈ Product Description
Acoustic Door Seal

The automatic drop-down door bottom acoustic seal is designed for high-performance sealing. When the door is closed, the sealing strip automatically drops to press against the floor, effectively blocking gaps. When opened, it retracts to ensure smooth operation without floor damage.

The concealed design ensures the door's aesthetics remain intact while providing a barrier against dust, odors, noise, insects, and air leakage.

Door Seal Detail 1
Door Seal Detail 2
Material Display 1
Material Display 2
◈ Usage Display
Initial State

Initial State

Activated State

Activated State

Ideal Applications: Hotels, high-end residential buildings, commercial interiors, clean rooms, and industrial doors.

  • Acoustic Insulation
  • Smoke Sealing
  • Insect Prevention
  • Wind & Water Resistance
  • Impact Protection
  • Fire-rated Compatibility
◈ Professional Capabilities
Capabilities Banner

Our production facilities integrate design, development, and sales of high-quality fireproof and acoustic sealing materials. We hold over 160 authorized patents and numerous international certifications, including EU fire resistant material standards. Our research team focuses on continuous technological iteration, ensuring our products lead the industry in performance and reliability.

Production Line
Factory Overview
◈ Frequently Asked Questions
Q1: Are you a manufacturer or a trading company?
We are both an international trading company and a professional manufacturer. We specialize in Door & Window Fire-Resistant Sealing Systems and acoustic products with over 15 years of experience.
Q2: What payment methods do you accept?
For bulk orders, T/T is preferred (30% deposit before production, 70% balance before shipping). For samples, we accept T/T or Western Union.
Q3: Do you provide free samples?
Yes, we offer free samples. You only need to cover the shipping cost.
Q4: Do you offer OEM or custom services?
Yes! We provide OEM and custom manufacturing. We can produce items exactly from your drawings or create technical specs from your samples.
Q5: What is your typical delivery time?
Usually 7–15 days after receiving payment, depending on the order size and our current production schedule.
Q6: How do you ensure product quality?
Our quality control team checks every step during production. We can confirm pre-production samples, and all products strictly follow approved specifications.

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