We measure residual steel hull thickness with calibrated multi-echo ultrasonic equipment, documenting actual material substance without destroying intact coatings and independent of cosmetic appearance.
Ultrasonic thickness measurement is the established non-destructive method to determine the actual steel thickness of a hull. A transducer sends an ultrasonic pulse; the travel time to the rear-wall echo is converted into material thickness.
We work exclusively in multi-echo mode with twin-crystal probes, which allows measurement through intact coatings — paint, antifouling, sealants — without removing them across large areas.
Typical reasons:
We measure a defined grid on the underwater hull, stern tubes, keel connection, waterline area and targeted risk zones (under stringers, behind tanks, bilges). Multiple readings per point; the lowest value is recorded.
You receive a measurement report with grid plan, individual values, statistical evaluation, comparison to nominal thickness and a recommendation on next steps.
Ultrasonic measurement documents material thickness — it does not replace visual assessment of welds, corrosion patterns or fittings. We combine it with classic survey work. For aluminium and carbon structures, see the dedicated pages.
Send vessel type, year, location and reason — you will receive scope and fee for the measurement.
