Commitment to Safety • Reliable Results
Responsive Resources • Established Expertise

Penhall Technologies can help you locate rebar, pipes, post and pre tension cables, conduits and many other subsurface hazards that may be hidden in concrete. Our expertly trained analysts can also detect voids within or underneath concrete slabs. As a safety leader in the industry, contractors, engineers, and government agencies have come to trust Penhall first for safe and precise scanning services.

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After scanning, we mark the rebar and post tension cable

Finding and marking Rebar through Concrete Scanning
This job in Scottsboro, AL required Penhall to do concrete scanning to find rebar and post tension cables. The obstructions were then marked on the two 24″x24″ areas so the contractor was able to move forward with the job while avoiding any hazards in the concrete.

Locate utilities before installing sump pump plumbing

Scan to locate utilities when installing sump pump plumbingThere are a number of reasons why our scan analysts are requested to scan and inspect surfaces. For example, a client in Biloxi, MS needed a concrete wall scan to locate utilities and rebar in order to prepare for sump pump plumbing.

Find and mark rebar in concrete using Ground Penetrating Radar

Marking the rebar to avoid cutting into it
Here’s another example of a project in Birmingham, AL, where Penhall did concrete scanning to find rebar. The area that was scanned was 7′ x5′, and consequently, our analyst marked the area with the rebar patterns.

Scan for post tension cables prior to core drilling

Scanning before drilling
At a project in Tuscaloosa, AL, Penhall scanned concrete for post tension cables. This particular scan job was requested prior to having 8″ x 6″ cores drilled into the slab.

Locating electrical conduit in a concrete slab

Locating electrical conduit in concrete slab
A client in Florence, AL required Penhall to scan an 18″ concrete slab to make sure that conduit was not hit before cutting.  Because it was a small area, the analyst quickly yet successfully marked the area of any conduit.  Therefore, the contractor was able to move forward with the cutting while avoiding any hazards.