Floor Spring for Glass Door

The D&D Hardware DDFS008 Concealed Floor Spring Accessory is a precision-engineered steel component designed to securely fix door leaves and ensure stable alignment within modern floor spring systems. Crafted from high-grade steel with color-zinc electroplating, this accessory delivers exceptional durability and corrosion resistance, making it ideal for high-traffic commercial and residential environments. Its concealed design remains invisible when the door is closed, preserving the sleek, minimalist aesthetic of contemporary architectural projects while providing reliable structural support.

Technical Specifications

• Model No.: DDFS008
• Brand: D&D HARDWARE
• Material: High-Grade Steel
• Finish: Color-Zinc Electroplated
• Physical Dimensions:
  • Overall Length: 170mm
  • Width: 24mm
  • Thickness: 11mm
  • Key Mounting Points: 33mm, 24.5mm, 40mm, 40mm from left edge
  • Offset from Wall: 65mm
• Compatible Top Door Clearances: 1/8", 3/8", 3/4"
• Handing: Non-handed (suitable for left or right-handed doors)
• Warranty: 5 Years

Product Images and Videos

Product Features & Advantages

• Concealed Design: The DDFS008 remains fully concealed when the door is closed, maintaining a clean, uncluttered appearance that complements modern architectural aesthetics without compromising structural integrity.
• Robust Steel Construction: Made from high-grade steel with color-zinc electroplating, this accessory offers exceptional resistance to corrosion, wear, and impact, ensuring long-lasting performance even in high-traffic environments.
• Lateral Adjustment: Precision-engineered lateral adjustment capabilities allow installers to fine-tune door alignment, ensuring the door is perfectly plumb and operates smoothly without binding or misalignment.
• Universal Compatibility: Non-handed design and compatibility with multiple top door clearances (1/8", 3/8", 3/4") make this accessory suitable for a wide range of door types and configurations, reducing inventory complexity for contractors.
• Seamless Integration: Designed as a direct accessory for D&D floor spring systems, the DDFS008 integrates seamlessly with other components like Glass Patch Fittings and Glass Door Pivots, ensuring a cohesive, reliable door operation system.
• Easy Installation: Precisely positioned mounting holes and a compact profile simplify installation, reducing labor time and minimizing the risk of errors during setup.

Step-by-Step Installation Guide

1. Prep Tools & Materials: Gather the DDFS008 accessory, compatible floor spring unit, drill, screwdriver, measuring tape, spirit level, and appropriate fasteners. Ensure the door and floor spring are properly positioned before installation.
2. Mark Mounting Positions: Use the accessory as a template to mark mounting holes on the door leaf, aligning with the floor spring’s pivot point. Confirm alignment with a spirit level to ensure the door will be plumb.
3. Drill Mounting Holes: Drill pilot holes at the marked positions, taking care to avoid damaging the door’s surface. For glass doors, use specialized glass drill bits and follow safety guidelines.
4. Secure the Accessory: Attach the DDFS008 to the door leaf using the provided fasteners, tightening them evenly to ensure a stable, flush fit. Connect the accessory to the floor spring’s pivot mechanism.
5. Adjust Alignment: Use the lateral adjustment feature to fine-tune the door’s position, ensuring it opens and closes smoothly without binding. Verify alignment with a spirit level.
6. Test Operation: Open and close the door multiple times to confirm smooth operation and proper engagement with the floor spring. Make final adjustments as needed to optimize performance.

Application Scenarios

The DDFS008 Concealed Floor Spring Accessory is a versatile component ideal for a wide range of environments, from luxury hotels and office buildings to residential homes and healthcare facilities. In commercial spaces like malls, airports, and hospitals, its robust construction and concealed design ensure reliable performance under heavy use while maintaining a polished aesthetic. For residential projects, it provides a seamless, modern solution for frameless glass doors, enhancing the overall design of bathrooms, living rooms, and entryways. When paired with D&D’s comprehensive range of Glass Door Hardware—including Glass Hinges, Glass Clamps, and Shower Pull Handles—it forms a complete, integrated system that meets the highest standards of functionality and design.

Certifications and Compliance

The DDFS008 is manufactured in compliance with ISO 9001:2015 quality management standards, ensuring consistent quality and performance across all units. Its color-zinc electroplated finish meets international corrosion resistance standards, making it suitable for use in coastal and high-humidity environments. All D&D floor spring accessories undergo rigorous testing, including load-bearing capacity and durability assessments, to ensure compliance with global safety and performance regulations.

Customization Options

• Finish Customization: In addition to color-zinc electroplating, the DDFS008 can be finished with stainless steel, brass, or black PVD coatings to match specific design requirements.
• Size Adaptation: Custom dimensions and mounting hole configurations are available to accommodate unique door sizes and floor spring systems.
• OEM Branding: Laser-engraved logos, part numbers, or project identifiers can be added for large-scale commercial projects, enhancing brand visibility and traceability.

Production Process & Quality Control

1. Material Selection: Only high-grade steel from certified suppliers is used, with each batch undergoing chemical composition analysis to ensure quality.
2. Precision Machining: CNC machining ensures tight tolerances (±0.05mm) for all components, guaranteeing a perfect fit and smooth operation.
3. Surface Treatment: Color-zinc electroplating is applied in a controlled environment to ensure uniform coverage and optimal corrosion resistance.
4. Functional Testing: Each accessory is tested for lateral adjustment functionality and load-bearing capacity to meet D&D’s strict performance standards.
5. Final Inspection: A dedicated quality control team inspects every unit for dimensional accuracy, surface finish, and functional integrity before packaging.