What is ISO 679?

ISO 679:2021 is titled:

“Hydrated hydraulic lime — Test methods”

The standard specifies the methods for testing the properties of hydraulic lime mortars, including their consistency, setting time, compressive strength, and flexural strength. It ensures that the materials used in construction meet the necessary quality requirements to deliver consistent performance in structural and finishing applications.

Why is ISO 679 important?

Hydrated hydraulic lime mortars are essential in masonry, plastering, and repair works, particularly where breathability and flexibility are required. They offer:

  1. Excellent workability and adhesion
  2. Compatibility with traditional and modern materials
  3. Improved durability and resistance to weathering
  4. Lower environmental impact compared to Portland cement mortars

ISO 679 provides the industry with standard procedures to evaluate and confirm these qualities, ensuring safe and reliable construction outcomes.

What are the benefits of ISO 679?

By applying ISO 679 standards, manufacturers and contractors benefit from:

🔍 Standardized Testing for Quality Assurance

Ensures materials meet specified strength and setting requirements.

🏗️ Improved Construction Reliability

Guarantees consistency in mortar performance on-site.

🌿 Supports Sustainable Construction

Hydraulic lime mortars often have lower carbon footprints.

📐 Facilitates Compatibility and Durability

Prevents issues like cracking and mortar failure.

Compliance with Building Regulations

Meets national and international construction codes.


What kind of businesses can benefit from ISO 679?

Growth Management Corporation’s consulting on ISO 679 helps your business achieve:

Market Differentiation Through Quality

Showcase certified materials to win tenders and contracts.

Reduced Risk of Structural Failures

Enhance client trust with guaranteed product performance.

Regulatory Compliance and Certification

Navigate building standards and approvals efficiently.

Optimize Production Processes

Implement consistent quality checks to reduce waste.

Support Innovation in Sustainable Building Materials

Align with green building initiatives and standards.


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