What is BS EN ISO 12944-7: 2018 ?

Title: What is BS EN ISO 12944-7: 2018 and How Does it Help in Ensuring the Durability of Steel Structures?

BS EN ISO 12944-7: 2018 is a professional technical standard published by the British Standards Institution (BSI) that focuses on the protection of steel structures through the use of paint and protective coatings. This standard is part of a series of international standards developed to provide guidelines for corrosion protection of steel structures. In this article, we will explore the key aspects of this standard, its importance, and how it helps in ensuring the durability and longevity of steel structures.

Purpose of BS EN ISO 12944-7: 2018:

BS EN ISO 12944-7: 2018 aims to provide a reliable framework for protecting steel structures against corrosion in various environments. The standard defines four types of corrosivity categories based on the level of threat, ranging from C1 (very low corrosivity) to C5 (very high corrosivity). Each category requires a specific approach to surface preparation and protective coating systems to ensure long-term durability of steel structures.

Surface Preparation and Protective Paint Systems:

Surface preparation is a critical step in the corrosion protection process. The standard BS EN ISO 12944-7: 2018 provides guidelines for surface preparation, including the removal of dirt, grease, rust, and other contaminants, to ensure a clean and smooth surface for the application of protective coatings.

The standard also recommends the use of appropriate coating systems that are appropriate for the specific corrosivity category of the steel structure. The coating system should be designed to provide long-lasting protection against corrosion, weathering, and fading.

Recommendations and Best Practices:

BS EN ISO 12944-7: 2018 provides comprehensive recommendations on surface preparation and protective coating systems for steel structures. The standard recommends that protective coatings be applied to the entire surface of the steel structure, including the base and any exposed surfaces.

The standard also recommends that protective coatings be applied in accordance with the manufacturer's instructions and in a specific order. The manufacturer's instructions should be followed to ensure the optimal performance of the coating system.

Conclusion:

BS EN ISO 12944-7: 2018 is an essential standard for professionals involved in the protection of steel structures. The standard provides guidelines for surface preparation and protective coating systems to ensure long-term durability of steel structures. By following the recommendations and best practices outlined in the standard, professionals can help to ensure the durability and longevity of steel structures.