Our comprehensive passive testing services scientifically evaluate the intrinsic performance of fenestration systems without mechanical manipulation, providing architects and developers with reliable data for quality assurance and compliance verification.
Testing Methodologies
Thermographic Analysis: Infrared imaging to identify thermal bridges (EN 13187)
Airtightness Verification: Tracer gas detection for infiltration rates (ISO 9972)
Condensation Risk Assessment: Surface temperature mapping
Structural Assessment: Laser scanning for frame deformation
Material Integrity Checks: Non-destructive ultrasonic testing
Technical Capabilities
✔ U-Value Validation: In-situ measurements to ±0.05 W/(m²K) accuracy
✔ Air Leakage Detection: Locating infiltration points to 0.1mm precision
✔ Glazing Performance: Spectral analysis of coated glass surfaces
✔ Durability Forecasting: Material degradation rate analysis
✔ Building Physics Modeling: Heat/moisture transfer simulations
Testing Protocols
Basic Evaluation
Visual inspection documentation
Basic thermographic scan
Operational force measurements
Advanced Diagnosis
Quantitative infrared thermography
Airtightness pressure mapping
Hygrothermal risk analysis
Premium Verification
Full EN 12153 compliance package
Seasonal performance modeling
Comparative energy loss calculations
Industry Applications
Passive House certification projects
Historic building retrofits
High-performance commercial developments
Quality dispute resolution
Pre-purchase due diligence
Standards Compliance
ISO 6781 / ASTM E1186 / PHI Low Energy Building Criteria
Beyond standard laboratory tests, our passive testing reveals how doors and windows truly perform in their installed environment - providing the data needed to optimize energy efficiency, ensure long-term durability, and validate sustainable design decisions.