Concrete Vibrators

After pouring the fresh concrete into the countertop mold, you may need to use a vibrator to help consolidate and level the concrete and remove air bubbles that could leave unattractive holes or pits in the surface. Not all countertop mixes require vibration. It all depends on the stiffness of the mix you're using and the effects you want to achieve.

Buying tips: "Makita makes a 12-volt cordless insertion-type vibrator that works well for small projects," says Rhodes. However, since this tool must be plunged into the wet concrete, it tends to disturb reinforcing materials and decorative insets. You can avoid this problem by using table-mounted external vibrators, choosing a size and power level appropriate for the size and weight of your casting table. Even the vibration from a simple jitterbug sander may be adequate, says Rhodes.

Another option to consider when choosing a compaction tool is a table vibrator. This type of vibrator attaches to the casting table with screws and vibrates the entire concrete countertop. One of the key benefits of using a table vibrator is that you avoid disturbing any inlays that are set in your countertops as well as the edge forms. With a insertion-type vibrator (or pencil vibrator) you run the risk knocking your decorative peices out of place. CHENG Concrete offers vibrators in their online stores as well as speed controllers.

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