How it connects
Vertical rebar stakes driven into the trench bed snap laterally or slide vertically into the flexible C-shaped collar, holding the drain body securely in place without tie wire prior to concrete pouring.
Male and female halves
Female open clip or collar receptacle accepting a male cylindrical rebar stake.
Usually connects to
- No. 4 rebar (1/2 in. diameter steel reinforcing bar)
- No. 3 rebar (3/8 in. rebar)
Common sizes
- Sized primarily for No. 4 rebar (1/2 in. / 12.7 mm nominal diameter); occasionally used with No. 3 (3/8 in.) rebar.
Where it is used
residential drainagecommercial trench drain installationconcrete flatwork and driveway construction
Variations
- Integral molded channel body clip
- Independent slide-on rebar installation clamp
- Closed loop/hoop rebar tie bracket
How to recognise it
Look for vertical semi-tubular C-shaped clips molded along the exterior structural side ribs of trench drain channels, designed to cradle 1/2-inch vertical rebar pins.
Often confused with
| Confused with | How to tell them apart |
|---|---|
| Channel drain grate security clip | Grate clips fasten the top grate onto the channel trench rim, whereas rebar clips are side-mounted collars pointing downward to hold foundation stakes. |
| Rebar chair / spacer clip | Rebar chairs elevate horizontal mesh or rebar grids off the trench floor, whereas channel drain rebar clips anchor the drain channel body to vertical stakes. |
Also called
rebar attachment cliprebar support cliprebar tie clip
Good to know
Introduced by manufacturers like NDS on modular Pro Series channel drains to eliminate the need for manual tie-wire threading through channel support feet.
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