How to Epoxy Rebar

Rebar can be found in concrete surfaces.
Rebar can be found in concrete surfaces. (Image: Images)

Rebar is a steel bar used in construction. The most common use of rebar is to be embedded in concrete, which provides structural support. Rebar has ridges that allow the concrete to bond to it. This enables the concrete to bear a much larger load. It is important to the integrity of the concrete that the rebar be rust resistant. One common way to rust proof rebar is by covering it in epoxy. It is important that the bar resist rust in these situations as well. Waterborne epoxy paint adheres very well to metal and protects it from corrosion, abrasion and extreme temperatures.

Things You'll Need

  • Epoxy paint
  • Tarp
  • Rubber gloves
  • Face mask

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Acquire the epoxy. Spray cans of epoxy paint can be obtained at any hardware store. It should be one-step coating, which does not require primer.

Prepare the rebar. Wipe the bars with a damp cloth to make sure there is no clinging dirt, grease or salt deposits.

Prepare to paint. Lay down a painters tarp or newspaper to protect the ground. Put on rubber gloves. Cover your mouth and nose with a painter's mask or a dust mask.

Paint the rebar. Spray the epoxy paint evenly, one piece at a time. The entire surface should be covered. Let the rebar dry for thirty minutes.


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