7. Repair of burst in the concrete.

  1. Slice out the burst like a swallow tail, 4 cm deep. 

  2. Mix one bag inter master ( 50gr ) with 5 kg cement. 

  3. Wet the burst in the concrete thoroughly with a soft-haired brush.

  4. Sprinkle the drey mix in the burst.

  5. Press the substance firmly in the burst.

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