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Timber Entrance Doors Automatic Drop Seals Slot Position Aluminum Door Bottom Seal

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Automatic Drop Sealing: Designed to create an airtight and soundproof barrier at the base of timber entrance doors, automatically adjusting to uneven floors via a sliding mechanism.
  • Pivot Mechanism: Equipped with a durable brass ball joint, enabling smooth rotation and adaptability for doors with slight movement or misalignment.

Key features

  • 1. Material Technology

  • With a corrosion-resistant aluminum frame and durable rubber seals, you can ensure long-lasting durability and effective soundproofing in diverse environments. The aluminum construction provides strength and resistance to wear, while the rubber seals maintain a tight barrier against drafts and noise.

  • 2. Interactive Design

  • With an automatic sliding mechanism, you can maintain a tight seal even when door alignment shifts over time, ensuring consistent performance. The design adapts seamlessly to minor door movement, eliminating the need for frequent adjustments.

  • 3. Performance Parameters

  • With soundproofing certified to ASTM E90 standards, you can achieve noise reduction exceeding industry benchmarks*. This ensures a quieter living or working environment by blocking external noise effectively.

  • 4. Scenario Solutions

  • Designed for apartment and residential use, it provides a reliable seal against drafts and noise, making it ideal for multi-unit living spaces. Its compact, low-profile design integrates easily into modern door systems without compromising aesthetics.

  • 5. Certification Standards

  • Certified to ASTM E90 for soundproofing and EN 1634-1 for fire resistance, you can trust its compliance with rigorous safety and performance standards. These certifications ensure reliability in critical scenarios like noise control and fire protection.

Product details

Timber Entrance Doors Automatic Drop Seals Slot Position Aluminum Door Bottom Seal

The Timber Entrance Doors Automatic Drop Seals Slot Position Aluminum Door Bottom Seal is a precision-engineered component designed to enhance the functionality and durability of timber doors. Crafted from aluminum and rubber, this seal integrates a brass ball joint for smooth pivoting, ensuring seamless operation in sliding or rotating applications. Certified to ASTM E90 (soundproofing) and EN 1634-1 (fire resistance), it balances aesthetics with performance for residential and commercial use.

Technical specifications

FeatureSpecificationBenefit
MaterialAluminum frame, rubber seal, brass jointLightweight durability and corrosion resistance
CertificationsASTM E90 (soundproofing), EN 1634-1 (fire)Meets safety and acoustic performance standards
InstallationScrew-mountedEasy retrofitting into existing door frames
ApplicationApartments, sliding doors/windowsVersatile for modern architectural designs
SoundproofingReduces noise by 35 dBWith X, you can Y: With 35 dB reduction, ensure quiet living spaces

Customization guide

Adjustable parameters:

  • Length: Customize to fit door widths (60cm–240cm)
  • Finish: Anodized aluminum in 10+ colors to match architectural aesthetics
  • Ball Joint Material: Upgrade to stainless steel for heavy-duty applications

Get inspired

This seal combines form and function for modern entrances. The automatic drop mechanism creates an airtight seal against drafts, while the brass joint enables effortless sliding. Ideal for apartments needing noise control or commercial spaces requiring fire-rated barriers.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Soundproofing (dB)30 dB reduction+15% (35 dB)*+30% (40 dB)*
Fire Resistance30 mins60 minsEN 1634-1 F30/F60
Ball Joint MaterialBrassStainless SteelHardened Stainless
Weight Capacity50kg100kg150kg

*Compared to traditional rubber seals

Supplier's note

  1. Technical Breakthroughs:

    • Brass Ball Joint: Enables 180° rotation for multi-directional use (vs. fixed joints in competitors).
    • ASTM E90 Compliance: 20% quieter than standard door seals in high-traffic areas.
    • Modular Design: Quick-swap seals reduce maintenance downtime by 40%.
  2. Version Selection Guide:

    • Base Model: Ideal for standard apartments or light commercial use where basic sound and fire resistance suffice.
    • Advanced Model: Recommended for hospitals or offices needing enhanced noise control (35 dB) and heavier door weights (100kg).
    • Pro Model: Best for high-security facilities or industrial settings, with triple the fire resistance (F60) and load capacity (150kg). Example: The Pro’s hardened stainless steel joint withstands corrosive environments, making it perfect for coastal or chemical plants.

Frequently asked questions

  • Which automatic door bottom seal suits timber entrance doors in apartments?

  • How to clean and maintain an automatic drop seal for timber doors?

  • Rubber vs. silicone door seals: Which is better for soundproofing?

  • Can the aluminum door bottom seal be customized for different door lengths?

  • Is this seal fire-resistant and soundproof?

  • How to install an automatic drop seal on timber doors using screws?

  • How long does an aluminum door bottom seal last outdoors?

  • What door types is the automatic drop seal compatible with?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Automatic Drop Seals (Advanced)Apartment doors, high-noise environments43 dBA noise reduction (ASTM E90)
Aluminum & Rubber (285 GSM ISO 3801)
Fire-resistant (EN 1634-1)
▲▲▲ Superior soundproofing (quieter than refrigerator hum)
▲▲ Durable construction
▲ Fire safety compliance
Higher cost compared to basic options
Requires professional installation
Basic Threshold Seals (Industry Standard)Residential doors, low-budget projects30 dBA noise reduction (unrated)
Rubber (200 GSM)
No fire rating
Affordable upfront cost
Easy DIY installation
Poor soundproofing (louder than dishwasher)
Shorter lifespan under heavy use
Magnetic Door SealsSliding doors, office partitions35 dBA noise reduction (unrated)
Plastic & Magnets (150 GSM)
Lightweight and flexible
No tools required for installation
▲▲ Inferior durability
No fire or chemical resistance
Rubber Weather StrippingWindows, exterior doors25 dBA noise reduction (unrated)
EPDM Rubber (250 GSM)
Versatile for multiple door/window types
Resists UV degradation
▲▲ Poor structural support for heavy doors
Not soundproof for high-noise areas
Custom Aluminum Seals (Base)Commercial buildings, fire-rated doors38 dBA noise reduction (ASTM E90)
Aluminum (220 GSM)
Fire-resistant (EN 1634-1)
▲▲ Cost-effective fire safety
Lightweight yet rigid
Moderate soundproofing (quieter than basic models)
No rubber for vibration damping
Heavy-Duty Industrial SealsFactory doors, warehouse entrances50 dBA noise reduction (ASTM E90)
Steel & Neoprene (350 GSM)
▲▲▲ Extreme durability and load-bearing capacity
Chemical-resistant
Bulky design
Expensive and requires custom fabrication

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