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Heavy Duty Automatic Drop Down Surface Mount Door Bottom Seal
- Product Information
Brushed Aluminium
Black Aluminium
White Aluminium
DDBS009 Heavy‑Duty Automatic Drop‑Down Door Seal Front Door Gasket Door Bottom Seal
DDBS009 heavy‑duty automatic drop‑down door bottom seal gasket. Heavy‑grade aluminium housing fitted with spring‑actuated rubber sealing blade. Surface‑mount automatic lift‑and‑drop operation: rubber blade drops to seal door‑bottom gap when door closes, retracts upwards when door opens to avoid floor abrasion. Delivers comprehensive sealing performance including noise‑reduction, dust‑proof, wind‑proof and thermal insulation. Suited for front‑entry wooden doors, metal doors and steel door assemblies. Available in multiple standard housing finishes, can be cut‑to‑length onsite. Custom length & finish available for large‑volume construction orders. Monthly production capacity reaches 150,000 units for B2B wholesale architectural door‑bottom seal hardware tender projects.
| Specification | Parameter |
|---|---|
| Product Type | Heavy‑Duty Surface‑Mount Automatic Drop‑Down Door Bottom Seal |
| Operation | Spring‑actuated automatic drop‑down & retract, surface mounting |
| Material | Heavy‑Duty Aluminium Housing + Flexible Rubber Sealing Blade |
| Core Functions | Noise‑reduction, Dust‑proof, Wind‑proof, Thermal‑insulation door‑bottom gap sealing |
| Application | Front‑Entry Wooden / Metal / Steel Door Assemblies, Residential & Commercial Building Projects |
| Production Capacity | 150,000 Units / Month |
Application Scenarios
Residential Front‑Entry Door Installations
Heavy‑duty automatic drop‑down door‑bottom seal for residential front‑entry wooden and metal doors. Spring‑driven mechanism lowers rubber blade upon door closure, blocks cold‑air, dust and outside noise infiltration; blade retracts when opening to prevent scratching hard‑wood, tile or vinyl flooring.
Commercial Building Door Systems
Robust surface‑mount drop‑down bottom gasket for commercial office, hotel and hospitality door‑sets. Heavy‑duty construction withstands frequent high‑traffic door cycles, simple surface‑mount installation without door‑groove pre‑machining requirement.
New‑Build & Architectural Tender Projects
Factory standard lengths for onsite cut‑to‑length, custom housing finish & custom length supported for bulk project orders. Suitable for residential‑commercial new‑build, refurbishment and door‑seal hardware tender specification packages.
Product Characteristics
Heavy‑duty aluminium housing structure, surface‑mount installation; no requirement for pre‑cut door‑bottom groove, retro‑fit friendly for existing doors
Spring‑actuated automatic mechanism: sealing blade drops down to seal bottom gap on door closing, retracts upward when door opens to avoid floor surface wear & abrasion
Flexible durable rubber sealing blade, delivers multi‑function sealing: noise‑reduction, dust‑proof, wind‑proof and thermal‑insulation for door‑bottom gaps
Multiple standard surface finishes available, standard bars can be onsite cut‑to‑length to match actual door width dimension
Works for wooden, metal and steel front‑entry doors for residential and high‑traffic commercial building applications
Custom length & custom finish available; monthly capacity 150 000 units for B2B wholesale construction hardware orders
Warranty & Customization
Standard quality warranty against manufacturing defects of housing and spring mechanism
Bulk wholesale supply, custom unit length and custom housing finish for architectural tender projects
2D installation drawing and product specification datasheet available for tender submission documentation
Frequently Asked Questions
How does DDBS009 automatic drop‑down door seal work?
DDBS009 adopts spring‑actuated mechanism. Rubber sealing blade drops to seal door‑bottom gap as door closes; retracts upward automatically while door opens to prevent floor scratching. It is surface‑mount type without pre‑groove requirement.
What sealing performance can DDBS009 provide?
It achieves noise‑reduction, dust‑proof, wind‑proof and thermal‑insulation sealing for door‑bottom gaps for front‑entry door assemblies.
Which doors fit DDBS009 heavy‑duty drop‑down seal?
Suitable for wooden, metal and steel front‑entry doors in residential and high‑traffic commercial projects; custom finish & length supported for bulk wholesale orders.
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