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Metal Door Frames

Don't be a bystander to fire safety.
To avoid potential legal and moral liabilities...


Lexa Door Systems: Setting the Standard for Metal Door Frames in Modern Construction

In the dynamic world of modern construction, Lexa Door Systems stands out as a trusted provider of high-quality metal door frames. Our extensive range of metal door frames caters to diverse applications, including sheet metal door frames and fire door frames, offering a comprehensive solution for building projects of all scales.

Why Choose Lexa Metal Door Frames?

  • Aesthetic Appeal: Our metal door frames are designed to complement a wide range of architectural styles, seamlessly blending into modern and traditional settings alike.

  • Exceptional Durability: Crafted from robust metal materials, Lexa metal door frames are engineered to withstand the rigors of everyday use, ensuring long-lasting performance and resilience.

  • Cost-effective Solutions: We prioritize affordability, offering competitive pricing that makes our metal door frames an attractive option for budget-conscious projects.

  • Ease of Installation: Our user-friendly designs and adjustable structures facilitate a straightforward installation process, minimizing time and effort on the job site.

Pioneering Adjustable Sheet Metal Door Frames

Lexa Door Systems has revolutionized the construction industry by introducing adjustable sheet metal door frames, effectively replacing traditional wooden door frames in Turkey. Our expertise in metal door frame manufacturing ensures that our products deliver exceptional value to our customers.

Advantages of Lexa Adjustable Sheet Metal Door Frames:

  • Enhanced Durability: Metal construction provides superior strength and resistance to wear and tear, extending the lifespan of the door frame.

  • Versatility: Adjustable dimensions allow for seamless adaptation to a variety of door openings, eliminating the need for custom-made frames.

  • Customizable Sizes: We offer the flexibility to produce door frames to specific measurements, catering to unique project requirements.

Lexa Door Systems: Your Partner in Quality and Customer Satisfaction

At Lexa Door Systems, we are committed to providing our customers with exceptional products and services. Our unwavering focus on quality ensures that our metal door frames meet the highest standards of performance and durability. Additionally, our customer-centric approach prioritizes your satisfaction, providing responsive support and guidance throughout the process.

Choose Lexa Metal Door Frames for Your Next Construction Project

When you select Lexa metal door frames for your construction project, you are investing in a product that delivers a combination of aesthetic appeal, exceptional durability, cost-effectiveness, and ease of installation. Our commitment to quality and customer satisfaction ensures that you receive a product that meets your project's requirements and exceeds your expectations.

Partner with Lexa Door Systems today and experience the difference that quality metal door frames can make in your construction projects.



Fire Door Classification and Installation Guide


Fire doors are evaluated based on their fire resistance time according to the TS EN1634-1 standard. Depending on their intended use, they must have integrity (E), insulation (I), radiation (W), self-closing, and smoke tightness (S) properties.

Integrity and Insulation (EI)

  • Integrity and Radiation (EW)
  • Impact Integrity and Insulation (EI-M)
  • Self-Closing for Doors (C)
  • Smoke Leakage (S)

In fire door resistance periods, E and I (EI) periods are taken into account. In Turkey, the provisions of the "Regulation on Fire Protection of Buildings" are applied to fire passages and the characteristics of fire doors. The provisions for existing residential buildings and newly constructed buildings are different and contain details according to the intended use of the building.

Abbreviations of Fire Door Certificate Meanings

  • EN: European Union Standards
  • TS: Turkish Standard
  • BS: British Standard
  • GOST: Russian Standard
  • UNI: Italian Standard
  • UL: US Standard


The installation of fire doors requires expertise. The materials and applications used in the installation of doors manufactured in accordance with standards and certifications must also comply with the same standards.


Fire doors manufactured in accordance with standards generally weigh over 70 kg. It is important to choose reliable and certified products instead of cheap doors. Door prices can vary depending on factors such as the materials used, the manufacturing process, and certification. It is important to choose a reliable fire door for safety, comfort, and peace of mind. Choosing certified and reliable products instead of cheap doors can prevent potential risks.

Sound and Heat Insulation

Sound and heat insulation are particularly important for fire doors that open from inside the apartment to the fire escape. Fire doors made in accordance with standards and certifications generally have sound and heat insulation properties or auxiliary features due to the materials used and their structure. Although not standard, if desired, full sealing can also be provided in the threshold section using a guillotine.

Coating Surfaces

Coating surfaces are for aesthetic concerns. However, if the fire door opens not to a closed environment but to the outside, it must be made of materials that are resistant to moisture, sun, wind, and impact. If the door is used as an opening to the fire escape inside the apartment, the inner surface of the fire door can be coated in accordance with the architectural integrity of the apartment, while the outer surface can be produced painted.


It should be noted that in standard tests, fire doors, that is, door leaves or frames, are not tested alone, but instead, the term "door sets" is used. A door set means that the product includes the leaf and frame, the accessories used (from hinges to bars) and the assembly technique. Although it may be thought that an average standard is meant by the assembly technique, this is not the case. The materials used inside the frame during assembly and the applications made within the scope of certification must also be repeated in the field. For example, if the tested door has been filled with concrete and has been applied with materials such as fire-resistant foam or rockwool, the same applications must be made in the field. In this context, the assembly application must also be done with the same technique as the method applied within the scope of test and certification. The installation of fire doors requires a separate expertise. Although the leaf produced in accordance with standards and certifications is produced as fire-resistant, the frame assembly should also be installed with fire-resistant materials and the wick applied correctly in accordance with the technical specifications at the certification stage.

In short, it is important to stay away from cheap doors produced under the name of fire doors and to prefer a fire door from reliable and certified companies that is a bit more expensive but will not cause problems in terms of safety, comfort, and peace of mind.