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Heavy Duty Surface Mount Automatic Drop Down Aluminium Door Bottom Seal Strip
- Product Information
DDBS006 Aluminium Door Bottom Seal Heavy‑Duty Automatic Door Strip Drop‑Down Seal
| Specification | Parameter |
|---|---|
| Product Type | Heavy‑Duty Surface‑Mount Automatic Drop‑Down Aluminium Door‑Bottom Seal Strip |
| Operation | Spring‑actuated automatic drop‑down & retract, surface mounting |
| Material | Heavy‑Duty Extruded Aluminium Housing + Flexible Rubber Sealing Blade |
| Core Functions | Noise‑reduction, Dust‑proof, Wind‑proof, Thermal‑insulation door‑bottom gap sealing |
| Application | Wooden / Metal / Steel Door Assemblies, Residential & High‑Traffic Commercial Building Projects |
| Production Capacity | 160,000 Units / Month |
Application Scenarios
Residential Door Installations
Heavy‑duty aluminium automatic drop‑down door‑bottom seal for residential wooden, metal entry doors. Spring‑powered blade drops to seal bottom gaps when door closes, blocks cold‑air, dust and outside noise; retracts while opening to protect hardwood, tile and vinyl floor finishes.
High‑Traffic Commercial Building Door Systems
Robust surface‑mount drop‑down bottom gasket for office, retail and hospitality high‑usage door‑sets. Heavy‑duty extruded aluminium housing stands up to frequent opening‑closing cycles. Surface‑mount design is suitable both for new‑build and retro‑fit renovation without door‑groove machining.
New‑Build & Architectural Tender Projects
Factory‑standard bar 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.
Heavy‑duty extruded aluminium housing structure, surface‑mount installation; no requirement for pre‑cut door‑bottom groove, friendly for retro‑fit existing doors
Spring‑actuated automatic mechanism: rubber sealing blade drops to seal door‑bottom gap on door closing; retracts upward automatically on opening to avoid floor scratching and abrasion
Durable flexible rubber sealing blade, delivers multi‑function sealing: noise‑reduction, dust‑proof, wind‑proof and thermal‑insulation for door‑bottom gaps
Multiple standard aluminium surface finishes available; standard bars can be onsite cut‑to‑length to match actual door‑width dimension
Universal compatibility for wooden, metal and steel door assemblies, for residential and high‑traffic commercial building applications
Custom length & custom housing finish available; monthly capacity 160 000 units for B2B wholesale construction hardware orders
Standard quality warranty against manufacturing defects of aluminium housing and spring actuation 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




