Project Overview

Project Location: Europe
Project Type: Residential Apartment Complex

A large-scale residential apartment project in Europe required certified fire-rated door lock solutions for entrance doors and internal fire doors. The project focused on safety compliance, durability, and consistent performance across multiple residential units.

Project Requirements

The developer and contractors defined the following requirements:

• Compliance with EN fire safety standards for residential buildings

• Reliable locking system for entrance and fire-rated doors

• Long-term durability for daily residential use

• Corrosion resistance for extended product lifespan

• Flexible compatibility with different door types

Challenges Faced

During specification and procurement, the project encountered several issues:

• Standard locks could not meet EN1634 fire-rated requirements

• Need for certified products to pass European building regulations

• Multiple door types required one unified solution

• Long-term reliability was critical for large residential occupancy

D&D Customized Solution

D&D supplied the Fire Rated Sash Lock (DDML009) as the core locking solution:

• EN Certified Fire Performance
  Compliant with EN12209 Grade 3 (200,000 test cycles)
  Fire-rated up to EN1634 (up to 260 minutes on steel doors)

• Durable Internal Mechanism
  Deadbolt with 2-turn locking system ensures enhanced residential security

• High-Quality Stainless Steel Construction
  SUS 304 latch bolt, deadbolt, and components provide corrosion resistance

• Wide Compatibility
  Suitable for wooden doors, metal doors, fire doors, and smoke doors

• Flexible Configuration
  Multiple backset options (55-80mm) to match different door designs

Project Results

After installation, the residential project achieved:

• Full compliance with European fire safety regulations

• Reliable and secure locking performance for residents

• Stable operation over long-term daily use

• Reduced maintenance and replacement frequency

• Simplified procurement with one standardized lock solution

Application Scope

This solution is widely used in:

• Apartment entrance doors

• Fire-rated corridor doors

• Smoke control doors

• Interior residential doors

Client Value Delivered

D&D provided a certified, durable, and versatile locking solution, ensuring both safety compliance and long-term usability for modern residential developments.

Why This Case Matters

This project demonstrates D&D Hardware’s ability to deliver EN-standard fire-rated door lock solutions that meet strict European residential safety requirements while maintaining performance and flexibility.