• There are two traits of hydraulic cement that make it idea for fixing leaky foundations, especially around waste pipes as seen in this video.

    First, this type of cement will cure under water, which means that you don't have to dry out the leak before stopping it.

    Second is that hydraulic cement expands as it cures, so it tightens up cracks and seals the gaps around pipes.
    • Difficulty: None

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      Tools List

      • sledge hammer
        2- and 3-pound sledgehammers
        used to strike cold chisels
      • cpld chisel
        Cold chisels
        used to chip away old cement and mortar
      • pointing trowel
        Pointed trowel
        used to force hydraulic cement into hole

      Shopping List

      1. Canvas drop cloth

      2. Hydraulic cement

      used to fill hole in concrete wall

      3. Latex gloves

      worn when applying hydraulic cement

      4. Plastic bucket

      used to mix hydraulic cement

      5. Bucket of water or garden hose

      used to hydrate cement