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Shaft Covers

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Lexa Shaft Covers: Providing Superior Fire, Sound, and Dust Protection

EI 30-120 Minute Fire Rating for Enhanced Safety

Lexa shaft covers offer exceptional fire protection with EI 30-120 minute fire ratings, ensuring the safety of vertical openings and shafts in case of a fire. This makes them suitable for a wide range of applications, including commercial, residential, and industrial buildings.

Comprehensive Protection against Fire, Sound, and Dust

In addition to their outstanding fire resistance, Lexa shaft covers are also designed to provide effective insulation against sound and dust. This is achieved through the use of high-quality insulation materials, such as rockwool and sound seals. These materials work together to effectively block heat transfer, prevent smoke infiltration, reduce noise levels, and minimize dust penetration, creating a safer and more comfortable environment.

Key Features of Lexa Shaft Covers:

  • EI 30-120 Minute Fire Rating: Offers a wide range of fire resistance options to meet specific project requirements.

  • Superior Insulation: Utilizes high-quality insulation materials to provide effective protection against fire, sound, and dust.

  • Wide Range of Sizes: Available in a variety of dimensions to accommodate various shaft openings.

  • Smoke-tightness: Ensures that smoke is contained within the affected area, preventing its spread and minimizing inhalation hazards.

  • Single-direction Fire Integrity and Heat Insulation: Protects against fire and heat transfer from one side of the shaft cover to the other.

  • Vent or Glass Options: Offers the flexibility to incorporate ventilation or glass panels for enhanced aesthetics and functionality.

Materials Used in Lexa Shaft Covers:

  • EN 10346-2015 DXS1D+Z GZR Galvanized Steel Sheet with Zinc Coating: Provides a durable and corrosion-resistant base for the shaft cover structure.

  • Fire-resistant Drywall: Reinforces the shaft cover's structure and contributes to its fire resistance.

  • Dense Rockwool: Acts as a primary insulation material, effectively absorbing heat and preventing fire penetration.

  • Ceramic Wool: Offers additional insulation and fire resistance properties.

  • Fire Sheet: Provides an extra layer of protection against fire penetration.

  • Intumescent Wick: Expands upon exposure to heat, sealing gaps and preventing the passage of smoke and flames.

  • Sound Seal: Effectively blocks sound transmission, creating a quieter and more peaceful environment.


  • Recessed Locking System: Ensures a secure and tamper-resistant closure.

  • Spring-loaded and Roller Hinges: Provide smooth and reliable operation.

  • Panic Bar and Lever Systems: Facilitate quick and easy exit in case of emergencies.

Finishing Options for Lexa Shaft Covers:

  • Optional RAL Code Electrostatic Painting: Offers a wide range of color options to match the décor of any building.

  • Optional 304 Grade Stainless Steel: Provides a sleek and durable finish for enhanced aesthetics and corrosion resistance.

Frame Options for Lexa Shaft Covers:

  • Easy-to-install Demountable Frame Type: Simplifies installation and maintenance.

  • Full Frame and Corner Frame Options: Provides flexibility to accommodate various installation scenarios.

Testing, Classification, and Standards:

  • TS EN 16034-1+A1:2018: Ensures compliance with stringent fire safety standards.

Lexa Shaft Covers:

  • Unparalleled Fire Protection: EI 30-120 minute fire ratings provide exceptional fire safety for vertical openings and shafts.

  • Comprehensive Protection: Effective insulation against sound and dust ensures a comfortable and safe environment.

  • Wide Range of Options: Diverse sizes, vent or glass options, and finishing choices cater to various needs and preferences.

  • Easy Installation: Demountable frame type facilitates simple and quick installation.

Lexa shaft covers are an ideal choice for enhancing fire safety, soundproofing, and dust control in vertical openings and shafts. Their superior fire resistance, comprehensive protection, diverse options, and easy installation make them a reliable and versatile solution for a wide range of applications.

Additional Information:

  • Lexa Brand: Renowned for its high-quality fire safety products and commitment to fire protection.

  • Comprehensive Fire Safety Solutions: Lexa offers a wide range of fire safety products, including fire doors, fire dampers, and smoke vents, to meet the diverse needs of various projects.

  • Dedication to Quality and Safety: Lexa is dedicated to manufacturing fire safety products that adhere to the highest quality and safety standards.

By choosing Lexa shaft covers, you can ensure the safety and well-being of your building occupants while creating a more peaceful and comfortable environment.

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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.