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    ORIGINAL DESIGN AND
    OWN MANUFACTURE

    Laser welding

    Laser cleaning

    Laser marking

    Complete solutions

    Do you need help?

    LC-WELD series

    LC-WELD SMART Laser welding machine SMART

    The SMART version of laser welding equipments.

    LC-WELD PRO Laser Welding Machine PRO

    The true revolution in laser welding.

    LC-WELD NEO Laser Welding Machine NEO

    The best quality of laser welding in a compact equipment.

    LC-WELD GALVO Galvo laser welding machine

    Laser welding combined with galvo technology allows automatic and semi-automatic welding. Precision and quality in a single unit.

    LC-CLEAN series

    LC-CLEAN CW 1500W Continuous laser cleaning machine

    State-of-the-art equipment using continuous laser technology as an industrial cleaning system.

    LC-CLEAN P 300W Pulsed laser cleaning Machine

    Latest generation of equipment that uses lasers as an industrial cleaning system.

    LC-MARK series

    LC-MARK Basic fiber laser marking machine

    Compact equipment capable of marking and permanent engraving at high speed.

    LC-MARK PRO Industrial fiber laser marking machine

    All the quality of LC-MARK with an easy integration into production lines.

    LC-CO2 CO2 Engraving machine

    Quality of deep engravings in a compact equipment with a CO2 laser.

    LC-CABIN series

    LC CABIN Safety cabin

    Modular cabin to work with laser equipment safely

    • Laser welding
    • Laser cleaning
    • Laser marking
    • Complete solutions
  • Solutions +

    COMPLETE SOLUTIONS FOR ANY LASER APPLICATION.

    Laser welding

    Laser cleaning

    Laser marking

    Laser engraving

    Security

    FAQs

    Laser welding

    The true revolution in the world of welding, a real laser solution. It allows us to make precise and high quality welds in a simple way.

    Laser cleaning

    It allows us to remove and clean impurities from a surface such as rust, paint, grease, among others. Laser technology is very versatile and does not damage the material.

    Laser marking

    Laser marking offers the possibility of permanent marking with a high level of precision and speed.

    Laser engraving

    Permanent markings on our products. We can implement prototypes, corporeal lettering, personalisation of objects, furniture, lamps and many other types of objects and applications.

    Security

    For LC it is essential to provide knowledge and tools to work safely with our laser systems.

    FAQs

    What materials can we weld with laser? Where can we work with laser cleaning? We answer the most frequently asked questions about laser systems.

    • Laser welding
    • Laser cleaning
    • Laser marking
    • Laser engraving
    • Security
    • FAQs
  • Company +

    About LC Lasers

    AT LC, WE ARE COMMITTED TO INNOVATION AND CONTINUOUS RESEARCH IN LASER TECHNOLOGY.

    + Find out more about LC Lasers

    Services

    FROM LC LASERS WE OFFER ADVICE, TRAINING AND TELEPHONE SERVICES.

    + Find out more about our services

    News

    IN OUR BLOG YOU WILL FIND THE LATEST NEWS ABOUT LC LASERS AND OUR PRODUCTS.

    + Access the blog

    • About LC Lasers
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    • News
  • Contact
SEARCH BUSCADOR
LANGUAGE IDIOMA
  • Español
Follow us:
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LC Lasers Logo
  • Home
  • Products +

    ORIGINAL DESIGN AND
    OWN MANUFACTURE

    Laser welding

    Laser cleaning

    Laser marking

    Complete solutions

    Do you need help?

    LC-WELD series

    LC-WELD SMART Laser welding machine SMART

    The SMART version of laser welding equipments.

    LC-WELD PRO Laser Welding Machine PRO

    The true revolution in laser welding.

    LC-WELD NEO Laser Welding Machine NEO

    The best quality of laser welding in a compact equipment.

    LC-WELD GALVO Galvo laser welding machine

    Laser welding combined with galvo technology allows automatic and semi-automatic welding. Precision and quality in a single unit.

    LC-CLEAN series

    LC-CLEAN CW 1500W Continuous laser cleaning machine

    State-of-the-art equipment using continuous laser technology as an industrial cleaning system.

    LC-CLEAN P 300W Pulsed laser cleaning Machine

    Latest generation of equipment that uses lasers as an industrial cleaning system.

    LC-MARK series

    LC-MARK Basic fiber laser marking machine

    Compact equipment capable of marking and permanent engraving at high speed.

    LC-MARK PRO Industrial fiber laser marking machine

    All the quality of LC-MARK with an easy integration into production lines.

    LC-CO2 CO2 Engraving machine

    Quality of deep engravings in a compact equipment with a CO2 laser.

    LC-CABIN series

    LC CABIN Safety cabin

    Modular cabin to work with laser equipment safely

    • Laser welding
    • Laser cleaning
    • Laser marking
    • Complete solutions
  • Solutions +

    COMPLETE SOLUTIONS FOR ANY LASER APPLICATION.

    Laser welding

    Laser cleaning

    Laser marking

    Laser engraving

    Security

    FAQs

    Laser welding

    The true revolution in the world of welding, a real laser solution. It allows us to make precise and high quality welds in a simple way.

    Laser cleaning

    It allows us to remove and clean impurities from a surface such as rust, paint, grease, among others. Laser technology is very versatile and does not damage the material.

    Laser marking

    Laser marking offers the possibility of permanent marking with a high level of precision and speed.

    Laser engraving

    Permanent markings on our products. We can implement prototypes, corporeal lettering, personalisation of objects, furniture, lamps and many other types of objects and applications.

    Security

    For LC it is essential to provide knowledge and tools to work safely with our laser systems.

    FAQs

    What materials can we weld with laser? Where can we work with laser cleaning? We answer the most frequently asked questions about laser systems.

    • Laser welding
    • Laser cleaning
    • Laser marking
    • Laser engraving
    • Security
    • FAQs
  • Company +

    About LC Lasers

    AT LC, WE ARE COMMITTED TO INNOVATION AND CONTINUOUS RESEARCH IN LASER TECHNOLOGY.

    + Find out more about LC Lasers

    Services

    FROM LC LASERS WE OFFER ADVICE, TRAINING AND TELEPHONE SERVICES.

    + Find out more about our services

    News

    IN OUR BLOG YOU WILL FIND THE LATEST NEWS ABOUT LC LASERS AND OUR PRODUCTS.

    + Access the blog

    • About LC Lasers
    • Services
    • News
  • Contact

Laser Cleaning at the Mosque–Cathedral of Córdoba: Preserving a Unique Cultural Heritage with Laser Technology

There are projects that go far beyond technical expertise. Projects that demand not only precision and know-how, but also respect, sensitivity, and responsibility.

One such project was LC LASERS' intervention at the Mosque–Cathedral of Córdoba, one of the world's most important monuments and an undisputed symbol of Spain's historical heritage.

As specialists in laser cleaning technology, we were entrusted with an exciting challenge: to demonstrate that it was possible to remove decades of accumulated contamination without touching, damaging, or altering the essence of a building with centuries of history.

During the intervention, we removed multiple layers of paint that had accumulated over many years, carefully and selectively removing them to reveal the original polychromy, while fully preserving the underlying substrate and the historical integrity of the monument.

This is the story of how we achieved it.

The challenge: cleaning without putting heritage at risk

The conservation of historic monuments is an extremely delicate task.

Stone, marble, and the original materials of iconic buildings such as the Mosque–Cathedral of Córdoba have withstood centuries of:

  • The passage of time
  • Environmental pollution
  • Humidity
  • Accumulated surface deposits
  • Organic residues and surface patinas

Conservation specialists needed to carry out a deep cleaning process, but they faced a major challenge:

Traditional cleaning methods were:

  • Too aggressive for the surface
  • Slow and inefficient
  • Polluting
  • Difficult to control with precision

The real challenge was to find a solution capable of deep cleaning without causing any damage to the original material.

And this is where laser cleaning proved to be the ideal solution.

The solution: high-precision laser technology

After carefully assessing the project's requirements, LC LASERS did not rely on a one-size-fits-all solution.

Each area of the monument presented unique characteristics in terms of material, level of accumulated contamination, paint layers, and structural sensitivity.

For this reason, we deployed our three professional laser cleaning systems:

LC-CLEAN P 300W
LC-CLEAN P 500W
LC-CLEAN CW 1500W

Each system was strategically selected according to the specific element being treated.

In heritage restoration, the key is not maximum power, but the ability to adapt the process to each application.

Our systems allow us to:

  • Remove contamination without physical contact
  • Selectively treat surface layers
  • Precisely adjust power, frequency, and energy density
  • Preserve the original surface with complete respect
  • Eliminate the need for chemical products
  • Perform controlled, environmentally friendly cleaning processes

In other words, laser technology designed to preserve historical heritage—not to damage it.

Our technical team travelled to Córdoba to carry out controlled trials directly on different areas of the monument.

Each section required a different approach. There was no standard configuration.

The process involved carefully adjusting:

  • Laser power
  • Pulse frequency
  • Scanning speed
  • Type of contamination to be removed
  • Material sensitivity

 

The objective was clear: to determine which system and process parameters would deliver effective, safe, and fully non-invasive cleaning.

Results: Technical Validation of Laser Cleaning in Heritage Restoration

Tests carried out using the LC-CLEAN CW 1500W exceeded all expectations.

Conservation specialists and technical experts were able to verify first-hand that laser cleaning could:

  • Remove contamination accumulated over decades
  • Restore the surface to its original appearance
  • Clean without abrasion or material loss
  • Leave no chemical residues
  • Fully preserve the historic material

This successful project confirmed a fundamental fact: laser cleaning is one of the most advanced and effective technologies available today for the conservation of cultural heritage.

Conclusion: Technology in the Service of Heritage Conservation

For LC LASERS, taking part in a project of this nature was far more than a technical challenge.

This project confirmed one essential fact: laser cleaning is a key technology for the restoration and preservation of historical heritage.

Innovation and history can coexist when technology is applied with technical expertise, precision, and complete process control.

Today, the monument's conservation team continues to use our laser cleaning systems as part of their ongoing preservation work.

That continued trust is the strongest validation of the technology.

Do you need to carry out laser cleaning trials?

If you work in heritage restoration, conservation, or the cleaning of delicate surfaces, LC LASERS can help.

We offer:

  • Technical demonstrations
  • On-site trials
  • Tailored technical advice
  • Professional laser cleaning systems

Contact us today and discover how laser technology can transform your restoration project.

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5 Advantages of laser marking

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