CB Coupler Box
Ancon CB Coupler Boxes simplify the continuity of reinforcement at concrete construction joints. They allow engineers to design slab-to-wall connections without the traditional restrictions on bar length and bar diameter of re-bend/pull-out continuity systems and help contractors to eliminate manual bar straightening on site.
CB Coupler Box
The CB Coupler Box utilises the Ancon CARES-approved CXL mechanical rebar connection system. CXL couplers are integral to the CB box and, once the thread protection is removed, accept CXL parallel-threaded reinforcing bars.
Ancon CXL Continuation Bars
Unlike re-bend continuity systems where bar lengths are restricted to the box dimensions, there is virtually no restriction on continuation bar length with CB Coupler Boxes. Grade B500B or B500C continuation bars, threaded with a CXL metric thread, are supplied by Leviat in 12mm, 16mm, 20mm and 25mm diameter. The CXL system is CARES approved and produces a full strength joint.
Details of the standard coupler box range, along with installation guidance, can be found in the technical literature below.
Ancon CS Coupler Strips are also available. They offer all the benefits of CB Coupler Boxes and are specifically designed to simplify rebar continuity at joints where walls are curved on plan.
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