Membrane Inspection and Compliance Testing
Integri-test offers services throughout the lifecycle of installed membranes, from installation to post-installation compliance testing. We focus on quality control during installation, ensuring membrane systems conform to project specifications. Our team can observe and report on technical aspects of the installation process and identify breaches in installed systems to ensure integrity.
Wet Method Testing
This Electronic Leak Detection (ELD) method establishes a voltage potential between the membrane and the roof deck and then tracks any leakage current. This is accomplished by wetting the surface of the membrane, applying a voltage with respect to ground, and then locating areas where electrical current flows through the membrane breaches to the deck. A scanning platform is used to test the membrane for breaches. The platform is constructed with dual metal sweeps, making continuous electrical contact with the membrane surface. The outer sweep forms a continuous perimeter around the platform, with the inner sweep contained within the perimeter of the outer sweep.
Usage
The Vertical Scanning Unit (VSU Roller) can be used on horizontals, details, and transitions and is the only reliable low-voltage testing method for vertical surfaces. Both units comply with ASTM Practice D8231-19 and D7877-14.
Benefits:
- Our Detec Integriscan equipment can test both horizontal and vertical substrates.
- Can test semi-conductive membranes such as EPDM.
- Can detect porosity or holidays that are not visible to the naked eye.
Dry Method Testing
All detectors consist of an electrical energy source, an exploring electrode, a ground connection to the concrete, and a ground wire. The exploring electrode passes slowly over the coated surface to detect holidays. An underlay, a conductive primer filled with graphite or metal particles, is sometimes applied directly to the substrate before waterproofing to ensure sufficient conductivity for holiday detection. In all cases, the exploring electrode must pass over the coating systematically to ensure that no areas are missed.
Built-in test standards: NACE SP0274 / NACE SP0490 / NACE SP0188 / ASTM D5162 / ASTM G62 / ISO 21809-2
Benefits
- Built-in test standards: NACE SP0274 / NACE SP0490 / NACE SP0188 / ASTM D5162 / ASTM G62 / ISO 21809-2.
- There is no requirement to pre-wet the substrate for testing.
Adhesion Testing
Dry Film Thickness Gauge Testing
Dry Film Thickness Gauge Testing
Adhesion is a critical property of any bonded membrane or protective coating, directly affecting the system’s performance in harsh conditions. Our consultants provide adhesion testing services tailored to your project’s requirements, ensuring compliance with Australian Standards and manufacturer specifications. We evaluate the substrate before application, assess the performance of coatings after application, and inspect coatings that have been in service for extended periods and may need maintenance.
Dry Film Thickness Gauge Testing
Dry Film Thickness Gauge Testing
Dry Film Thickness Gauge Testing
The ultrasonic pulse-echo technique used by our ultrasonic gauges measures the thickness of coatings on non-metal substrates, such as concrete, plastic, and wood, without damaging the coating. The probe sends a pulse through the coating, reflecting off the substrate to the transducer, converting it into a high-frequency electrical signal. The echo waveform is then analysed to determine coating thickness.
Integri-test uses the DeFelsko Positector Ultrasonic Dry Film Thickness Gauge in conjunction with 200 probes to measure up to three individual layer thicknesses in multi-layer systems. This advanced unit offers a graphic readout for detailed analysis of the coating system.
Contact Us
Integri-test is committed to providing accurate and reliable adhesion and coating testing services for your projects. Contact us today to ensure the durability and performance of your coatings and membranes. Let us help.