Concrete scanning questions

We deploy state-of-the-art, high-resolution Ground Penetrating Radar (GPR) systems designed specifically for concrete applications. Our equipment includes compact handheld units for tight spots, walls, and elevated decks, alongside specialized deep-penetration antennas for subsurface shallow utility mapping.

Under standard concrete conditions, our high-frequency radar systems deliver clear imaging for depths up to 24 inches or more. For heavy structural foundations, thick slabs, or sub-grade void detection beneath slab-on-grade floors, we deploy specialized deep-penetration equipment.

Yes. Because GPR only requires access to one side of a slab, it is ideal for slab-on-grade applications where the underside is inaccessible. GPR can scan through the slab and into the sub-base soil to detect buried conduits, grade beams, footings, and sub-slab voids.

Yes. By analyzing target depth, spacing, signal characteristics, and drape patterns, an experienced technician can differentiate between uniform rebar grids, draping post-tension tendons, and isolated metallic or non-metallic (PVC) conduits.

While GPR is the industry standard for subsurface inspection, signal depth and clarity can be influenced by heavily congested or overlapping rebar mats, wet concrete, metal decking, or non-metallic conduits directly adjacent to steel. In complex areas, our technicians work closely with your on-site team to explain the data and identify safe alternative locations for cutting or drilling.

To ensure clean readings and efficient scanning, clear standing water, mud, snow, and heavy equipment from the target scan area. Marking planned cut, core, or anchor points prior to our arrival allows the technician to focus directly on your target layout.

Unlike X-raying, GPR requires single-surface access (making it suitable for slab-on-grade floors), produces zero ionizing radiation (allowing adjacent trades to keep working), and provides immediate real-time results on site without site shutdowns or film processing delays.

Our technician marks target locations, depths, and safe cut/core windows directly onto the concrete surface using tape, paint, or layout markers. Upon request, we also generate formal digital PDF reports complete with scan slice data, photos, and structural notes for engineering submittals delivered within 24 hours. For large-scale projects, we can also transfer marked layout data onto digital CAD/PDF floor plans.