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Overall information about blade repair technology that should not be ignored

Essential Guide to Wind Turbine Blade Repair Technology Learn everything you need to know about wind turbine blade repair technology.

Table of Contents


Blade repair, a part of GWO training – a necessary course for those who work in the wind turbine industry. Have you ever heard about this course and why it is considered as a crucial factor to help wind turbine engineers perform their works successfully?

The meaning of blade repair and why all wind turbine experts should acquire blade training

Before taking blade repair training, participants need to know the meaning of this program, including the curriculum, the content, and how to register.

1. What is blade repair? Why does blade repair have an important role in the wind turbine industry?

The Blade Repair course is a GWO-required course for wind industry employees, particularly those who work in the inspection and maintenance fields. The certifications, including the knowledge, abilities, and attitudes required to work safely in blade maintenance, have been acquired, as well as that the safety precautions employed have been met in accordance with the identified risks.blade repair vivablastThe training will primarily focus on recognizing, managing, and reducing the hazards associated with blade inspection and maintenance works. This is an introductory course that does not require any prior knowledge of blade maintenance.The GWO blade training module will also provide trainees with the information, skills, and confidence to properly respond in a dangerous scenario and to increase their performance by using suitable equipment, safety devices, procedures, and safe craftsmanship.To learn more about GWO training, especially the first GWO center in Vietnam, you can take a look at “With GWO training, the road to becoming a good wind turbine engineer gets closer.” post.

2. Which requirements need participants to meet to master blade repair skills proficiently and perfectly?

Anyone taking part in the blade repair course must be in good health and able to participate fully. In particular, engineers must be informed of the dangers and hazards of completing this course when allergic to the materials used in the module. This also applies to attendees with asthma and “hyperhidrosis manuum”, generally known as excessive sweating in the hands.Due to the intensive nature of the training, participants will be required to sign a statement stating that they are medically fit to participate in the training course and that they do not have any medical conditions that would prevent them from fully participating in the training course or expose them to hazard or risk, or that they are not under the influence of any impending substances such as narcotics or alcohol.blade repair 2 vivablastAfter completing the GWO blade repair training course, learners will be able to perform and document a wind turbine blade inspection, as well as perform repair work in accordance with a work instruction while maintaining the aerodynamic profile and structural integrity of glass fiber reinforced composite parts of a wind turbine within the following dimensions:

  • Trailing edge repairs up to 1,5 m in length
  • Leading-edge repairs up to 1,5 m in length
  • Laminate repairs down to core material
  • Core material replacement up to 200 cm²
  • Surface repair to paint and gel coat

The training course is for beginners; therefore, attendees will not be asked to repair important structural elements of blades such as spars, spar caps, or carbon fiber.

3. Why do wind turbine technicians need blade repair training for their professional development?

With all the given information above, blade training should be an ideal course for people working in the wind industry to help them gain more valuable experience and knowledge for their careers.blade repair 3 vivablastThe course features six main points, which are listed below:

    1. An overview of repairing
    2. Personal protective equipment (PPE): what it is and how to utilize it
    3. Each material, chemical, tool, and other substance involved in blade maintenance is understood.
    4. Demonstrating your repair skills, such as fundamental lamination and repair, sandwich panel and repair, blade painting, blade inspection, lightning protection systems, and inspection, grinding, sanding, filling, surface repairs, trailing edge repairs, and bond line repairs.
    5. Summary of the preceding sections
    6. Evaluation

If you are a technician and want to improve your expertise, or are simply in need of more knowledge about blade repair, we hope this article is useful.In fact, this is a dangerous and technically demanding job. Therefore, repair engineers need to be well-trained in expertise, skills, and safety standards to be able to perform this job. At VIVABLAST, we have a team of highly-skilled, fully-certified technicians who conduct a wide range of wind turbine blade repair – from basic issues to full structural ones and everything in between. This also includes fixing damage caused by leading-edge erosion, which can reduce the aerodynamic efficiency of turbine blades and affect the annual energy production. With a clear understanding, VIVABLAST and our professionals have given the blade/tower its original shape and properties. Contact us today:

  • Tel: (+84-28)38 965 006/7/8
  • Fax: (+84-28)38 965 004
  • Email:

About Us

VIVABLAST was founded in 1994, as a 100% foreign-owned company with an ambition to become the most preferred and trustful service provider for industrial assets protection in Southeast Asia.

Over the past two decades, Southeast Asia experienced rapid economic growth with significant investments in industrial facilities, equipment, and infrastructures of Oil and Gas, Renewable Energy, Marine, Power Generation & Manufacturing sectors.

Hence, VIVABLAST has succeeded as a reliable subcontractor for many International & Domestic companies by delivering our professional services to such prestigious companies as PIRIOU, JGCS, Technip, KNOC, Metacor, PTSC groups, Vietsovpetro, etc. with great passion.

Our innovative system of mobile blasting & painting workshops can be mobilized anywhere in Southeast Asia for all major projects and infrastructure sites, which has performed very well during Vietnam’s first refinery project – Dung Quat followed by Vung Ang 1.2 Power Plant project and the biggest Oil & Gas complex in Vietnam – Nghi Son Refinery.

In 2014, VIVABLAST landed in the soils of Thailand, Myanmar, and Malaysia to capture the growing demands of customers at any time and anywhere.

Over 28 years of steady deliberate growth, we feel confident and proud of our team and their capacities to play a vital role in the multi-disciplinary industrial services provider.

Why Choose Us?

Expertise of industrial assets preserving since 1994


VIVABLAST is a company that offers surface preparation and industrial painting solutions for various industries such as oil and gas, marine, construction, and mining. Some of the solutions they offer include abrasive blasting, hydro blasting, tank cleaning, industrial coating, and passive fire protection.

Board of Management

Mr Jacques Vivarès – Chairman
Mr Boris Vivarès – VIVABLAST Group General Director – Commercial & Business Development
Mr Shanthamani Muthukumar – VIVABLAST Vietnam General Manager

VIVABLAST is a global provider of industrial asset protection solutions in Vietnam, Thailand, Myanmar, and surrounding countries. VIVABLAST is a 100% foreign-owned Company accredited ISO 9001:2015 & ISO 45001:2018 by Bureau Veritas with offices and setup over South-East Asia. Since 1994, we have been servicing industry leaders in major projects from construction phase to maintenance programs. Our vertical expertise includes all industry sectors, particularly: oil & gas, power & utilities, shipbuilding, mining and manufacturing. We design and deliver professional services to preserve our Clients’ assets sustainably, through efficient and reliable specialty services and integrated solutions.

VIVABLAST is committed to sustainability and social responsibility. The company aims to reduce its environmental impact through various initiatives, such as implementing environmentally friendly technologies and reducing waste. Additionally, VIVABLAST has programs in place to support its employees, their families, and the communities in which they operate. The company also supports various charitable organizations and encourages its employees to participate in community service activities.