Concrete Crack Repairs

It is important that each situation is individually assessed and the correct repair technique is specified. NCS are fluent in a range of crack repair methods to meet the needs of wet and dry conditions along structural or non-structural requirements. NCS currently practice the below crack repair techniques;

Subsurface repairs (In-depth cracking), the cause of subsurface cracking can be correlated to; design error, excessive loading and corrosion induced cracking.

  • Polyurethane injection repair is used in the areas of waterproofing where flexibility is required and cracks are non-structural,
  • Epoxy injection repair used for structural requirements in existing designs
  • Ultrafine Cementous injection
  • Crystalline products used for high and low flow active cracks with hydrostatic pressure.

Surface repairs (Fine crack repair)

  • Pour in epoxy grouts,
  • Cementitious / Epoxy trowel repairs,
  • Polyurethane Caulking,
  • Crystalline products (fine cracks below .4mm) sprayed to the surface.

Subsurface repairs (In-depth cracking), the cause of subsurface cracking can be correlated to; design error, excessive loading and corrosion induced cracking.

  • Concrete Crack Repairs

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