Patch the Injection Holes
5:30
10:58
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What happens here
Once the concrete slab has been lifted to the desired level, complete the job by patching the small injection holes. First, remove the HMI Elite 1 injection gun from the zert, and then carefully pull the zert out of the hole. Mix a small amount of sand and cement to create a patching compound. Use this compound to fill the 5/8-inch holes, ensuring a smooth, flush finish with the surrounding concrete. This leaves a minimal and clean repair, addressing the problem without requiring slab replacement.
Goal: Seal the injection points for a clean and finished appearance.
Tools and materials
- HMI Elite 1 Injection Gun HMI — Removed from the zert
- Small Bucket/Container — To mix patching compound
- Trowel/Spatula — Applying patching compound
- Zert — Removed from the hole
- Cement — Component of the patching compound
- Sand — Component of the patching compound
- Water — To mix with sand and cement for patching
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What they say
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