Sales & Technical: 03 376 5205 | info.helifix.nz@leviat.com



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Crack Stitching

Crack Stitching is a method of repairing and stabilising cracked masonry using HeliBars (6mm diameter) bonded into cut slots with HeliBond cementitious grout.

Masonry may move and crack as a result of movement in foundation soils, seismic activity and cyclical wet and dry, hot and cold environmental conditions. Crack stitching reintroduces structural integrity and redistributes structural loads for a quick, simple, effective and permanent solution.

HeliBar bonded into appropriate bed joints or cut slots with HeliBond grout is the solution to the problem of stabilising cracked masonry.

  • Quick, simple, effective and permanent
  • More effective in brick/block masonry than simple crack injection
  • Suitable for all types of masonry including listed and historic structures and those with lime mortar
  • Fully concealed, non-disruptive repair system
  • Stainless steel HeliBars and non-shrink
  • HeliBond grout combine to create excellent tensile strength within the masonry
  • Tensile loads are redistributed along the masonry
  • Masonry remains flexible enough to accommodate natural building movement

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