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Water Permeability Test of Concrete.

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Measuring Concrete’s Resistance to Water Ingress and Durability Under Pressure

Water Permeability Test is one of the most fundamental and widely recognized durability tests for concrete, designed to measure the material’s resistance to water penetration under applied pressure. Since water is the main carrier for most aggressive agents — such as chlorides, sulfates, and carbon dioxide — this test provides a direct and reliable assessment of a concrete’s ability to resist long-term deterioration. At Global Lab, we perform the water permeability test using precise, standardized equipment that simulates water pressure conditions, ensuring accurate, reproducible, and comparable results.

Why WPTCMatters.

Chloride-Induced Corrosion

In marine regions or cold climates where de-icing salts are used, chloride ions enter the concrete through water movement. A low water permeability significantly reduces chloride transport, preventing corrosion of embedded steel reinforcement and ensuring long-term durability.

Sulfate Attack

Groundwater and soil often contain sulfates that can chemically react with cement paste, leading to expansion, cracking, and loss of strength. Concrete with low permeability minimises sulfate ingress, maintaining its strength and integrity over time.

Freeze–Thaw Damage

To ensure the concrete mix delivered to the site matches the design specifications for low-permeability.

Carbonation

The low permeability of concrete provides enhanced protection for reinforcement against corrosion.

NDT TESTING

GL Advantages.

Accredited Facility: NABL-accredited laboratory with traceable calibration and stringent Quality System procedures.

Compliance with Standards: Tests conducted in accordance with relevant IS/ASTM/RILEM/EN standards.

Experienced Personnel: Technologists and experts who interpret results and recommend mitigation strategies.

Rapid and Reliable Reporting: Valid reports that comply with relevant standards.

Testing Capabilities: Lab and on-site testing, along with post-test consulting services.

Global Lab Advantage.

Accredited facility.
Standards compliance.
Experienced analysts.
Fast, reliable reporting.
Field + Lab capability.

Applications — Where This Test Is Critical

The Water Permeability Test is essential for ensuring watertightness in dams, reservoirs, and swimming pools, and for preventing seepage in basements and tunnels.
It also verifies durability in bridge decks, foundations, and marine structures, while helping validate high-performance concrete mixes for harsh environmental conditions.

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WPTC Machine
Water permeability test of Concrete

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On-Site Testing Across India

Global Lab provides comprehensive testing for construction and engineering materials, including concrete, cement, steel, aggregates, bitumen, soil, tiles, paver blocks, and other civil and infrastructure materials. We also handle customized tests as per client or project specifications.

Yes. Our team is equipped with mobile testing facilities and field instruments for on-site sampling, inspection, and testing — ensuring quick and reliable results without disrupting your project timelines.