Thermolens: ai-powered thermal imaging for defect detection in TPO welds
Thermolens utilizes AI-powered thermal imaging to detect defects in TPO roofing welds with over 90% accuracy. It provides real-time, non-destructive analysis and generates visual overlays for easy inspection, making it ideal for field use in various roofing conditions.
Overview
Thermolens is an innovative solution that combines AI-powered thermal imaging with distribution analysis to accurately detect defects in thermoplastic polyolefin (TPO) roofing welds. It offers a real-time, non-destructive method to identify underheated and overheated welds, ensuring over 90% accuracy compared to traditional peel testing methods. This system is designed to deliver quick and interpretable results, crucial for field applications.
Technical specifications
Key features:
- Combines infrared imaging with distribution analysis for precise defect detection
- Classifies weld quality as hot, cold, or acceptable
- Generates detailed temperature maps and visual overlays for easy inspection
- Operates effectively across various TPO membrane thicknesses (45, 60, 80 mil)
- Provides fast results suitable for field use, enhancing on-site decision-making
- Includes a user-friendly interface for easy deployment and data interpretation
Technology readiness level
Thermolens is currently at Technology Readiness Level 4, indicating that it has been validated in a laboratory environment. Future validation involves adapting the system for real-world roofing applications, including field testing and user feedback to refine its deployment and reporting features.
About University of Reading
The University of Reading is a public research university with a comprehensive academic profile and a collaborative, applied research culture. Industry engagement is anchored by Thames Valley Science Park, which provides wet and dry labs, incubators, and grow‑on facilities. Its location on the M4 corridor near London and Heathrow connects partners with the Thames Valley tech cluster and a deep talent pool, while Henley Business School delivers executive education for R&D teams. Research is supported by competitive funding from UK Research and Innovation councils and Innovate UK, with additional support from European programs. A dedicated technology transfer office supports IP strategy, licensing, spinouts, and flexible contracting.
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