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    1. Surface Preparation - Concrete

    • Clear and thoroughly clean the surface with wire brush, electromechanical grinders and jute brush.

    • Ensure surface is totally dust-free by using a high speed air blower

    • Wash the surface with water to identify cracks

    • Mark the cracks with chalk to identify them properly

    2. Cold Joint Treatment - Concrete Structure

    • Grind the cold joints to clear out the profile and remove any loose surface
    • Make a groove using grinder to make space for repair mortar and make it dust free
    • Apply bond coat of BS smartbond 100, diluted 1:2 in water and apply by brush
    • Make repair mortar with sand cement ratio of 1:4 admixed with BS Smartbond 100 at 5% by weight of cement

    3. Grouting of Concrete Structure

    • Drill grouting hole in the structure after hammer testing and marking the areas to identify honey combed areas

    • Install the packers using polymer mortar and let them set for a day.

    • After 24 hours , use Grouting pump to grout the concrete with cement slurry admixed with expansive flow agent like MC-Einpresshilfe or similar

    • Saturate all the points and remove the packers after work is done and repair with polymer mortar prepared with cement, sand , water and BSsmartbond 100.

    4. Application of Cove or Gola along the vertical wall and terrace floor.

    • On the concrete surface or the plastered surface make a horizontal and vertical cove or gola of 50mm.

    • Apply a bond coat of BS Smartbond 100 diluted with water 1:2 by brush just before making gola or cove of 50mm

    • Make a mix of cement : sand in ratio of 1: 4, add 5% BS Smartbond 100 by weight of cement in the mix and make a cove or gola along the wall on a still wet bond coat of BS Smartbond 100 applied before

    • Cure it for 3 days, by using jute cloth or water spray curing 3 times a day.

    5. Application of Waterproofing Coating

    a) Always Ensure before starting, the surface is dust free, use a high speed blower if possible or jute brush to remove any dust.b) Type Cementitious 1 Part or 2 Parts

    Priming:

    • Apply a coat of 2k waterborne epoxy primer BS SmartPrime WB EP, Resin 1 Part, Hardener 2 Parts and Water 3 Parts, and apply by brush on the entire repaired and prepared surface.
    • After a gap of 7 to 8 hours,
    • Applying the first coat of Acrylic Cementitious System like MoistureZero Liquid chemical mixed with cement in 1:1.5 ratio

    • After 4 hours, apply the second layer of MoistureZero mixed with cement in a ratio of 1:1.5 to finish the layer.

    3. Cure for 3 days by jute sacks after 6 hours of final coat. After curing test waterproofing for 4 day by water ponding.