Dramatically increase your speed and accuracy in detecting invisible delaminations, voids and hollows below the surface of concrete, tile and natural stones, compared with tapping with hammers or dragging chains.
Use for inspecting concrete slabs, parking garages, bridge decks, balconies and tunnels.
Also useful for non-destructive sealant adhesion testing
The body of the DDT Tool is a solid aluminum extrusion, threaded to accept a standard painter's extension pole or broom handle (Albion part # 876-1 or 876-2). There is also a slot (with a set screw) for a marking crayon. The wheels are hardened steel (replacement part #856-2), mounted on precision shoulder bolt axles, spring loaded for smooth turning and maximum auditory feedback. View our video here.