Provider guide and directory
Concrete X-Ray Services
Concrete X-ray is industrial radiography: a qualified provider places a radiation source and detector on opposite sides of a concrete element to create an image based on differences in material density. It can reveal reinforcement and other embedded features, but it is not GPR. Radiography uses ionizing radiation, requires project-specific access and safety controls, and may be unavailable where the work area cannot be appropriately controlled.
What concrete X-ray is
Industrial radiography sends ionizing radiation through a slab, wall, beam, or other concrete element to a film or digital detector. Materials attenuate the beam differently, producing a radiograph that a qualified provider interprets. Source strength, exposure geometry, element thickness, embedded density, and detector placement affect the image.
Concrete X-ray may be considered when a project needs a radiographic image and can provide access to both sides of the element. Availability depends on provider licensing or authorization, equipment, jurisdiction, facility rules, and the ability to establish required controls.
Slabs, walls, reinforcement, and embedded features
Radiographs can show differences associated with reinforcing steel, conduits, tendons, voids, or other embedded materials within the projection. Because the image collapses thickness into a two-dimensional view, overlapping objects and geometry must be interpreted carefully.
Pre-penetration review
A radiograph can inform proposed drilling or cutting when the element and controlled area are accessible.
Dense reinforcement
Radiography may provide a useful image in some congested conditions, though overlapping features can still complicate interpretation.
Element-specific setup
Walls, slabs, beams, thicknesses, and detector positions require different exposure geometry and planning.
Concrete X-ray vs. GPR concrete scanning
The two services should not be used as synonyms. Concrete scanning commonly uses GPR to interpret reflected radio-frequency signals. Concrete X-ray records transmitted ionizing radiation. Site access, output, safety planning, schedule, and provider qualifications differ materially.
| Consideration | Concrete X-ray | GPR concrete scanning |
|---|---|---|
| Technology | Industrial radiography using ionizing radiation | Radar reflections using radio-frequency energy |
| Access | Commonly requires source and detector access on opposite sides | Often performed from one accessible surface |
| Result | A radiographic projection image | Interpreted radar profiles and field marks or images |
| Controls | Radiation boundaries, monitoring, licensing, and site controls as applicable | Work-area access and project controls without an ionizing-radiation exposure |
Safety controls, availability, and cost factors
Industrial radiography is regulated work. The provider must determine applicable licensing, trained personnel, surveys, monitoring, barriers, notifications, and high-radiation-area controls. Occupied facilities, public areas, adjacent floors, restricted access, and after-hours requirements can determine whether the method is feasible.
Pricing varies with mobilization, element thickness, number and size of images, exposure setup, access to both sides, work-hour restrictions, radiation controls, film or digital processing, interpretation, and reporting. A national price range would not represent those site-specific requirements.
Common questions
Frequently asked questions
Is concrete X-ray the same as GPR scanning?
No. Concrete X-ray uses ionizing radiation transmitted through concrete to a detector. GPR sends radio-frequency energy into concrete and interprets reflections. They have different access, safety, and output requirements.
Does concrete X-ray require access to both sides?
Common concrete radiography setups require access for the source on one side and the detector on the other. A provider must evaluate the element and proposed equipment rather than assume the site is suitable.
Can concrete X-ray be performed in an occupied building?
Only when the provider can meet applicable radiation-safety and facility requirements. Controlled boundaries may affect adjacent rooms or floors, and the work may require restricted or after-hours access.
Why are fewer concrete X-ray providers available?
Radiography requires specialized equipment, qualified personnel, regulatory authorization, monitoring, and site controls. Availability therefore differs from ordinary GPR concrete scanning and should be confirmed early.
Technical references
Technical definitions and limitations on this page were checked against these primary government resources.
Provider discovery
Find concrete X-ray providers
Provider availability is limited by radiography qualifications, authorization, equipment, access, and site-control requirements. Confirm each item before scheduling.
Capabilities to confirm
- Applicable industrial-radiography license or authorization
- Qualified radiography personnel and radiation-safety procedures
- Source, detector, and image-processing capability for the element
- Controlled-area planning for adjacent spaces and floors
- Image interpretation and reporting deliverables
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Use the full directory search to review nearby coverage and confirm capability directly with each provider.
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