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  • Writer's pictureJames Watts

The Ultimate Guide to Crack Stitching

Step 1: Identify the cause

Firstly, identify the cause of the crack, which often requires expert advice from a specialist surveyor or structural engineer. In our experience, we often may end up suggesting crack stitching as the best solution, which is a permanent and very successful method of structural repair for cracks in masonry and mortar bed joints. It provides resistance against further cracking as well as strengthening the structure of the masonry once the root problem has been eliminated.

Step 2: Speak to a specialist

Crack stitching using specialist stainless-steel bars, cementitious grout, and other innovative products and materials is a widely accepted and effective method of repair. Our systems are highly effective in dealing with a huge range of situations where repair, reinforcement, stabilisation, or when improvements are needed to the structural strength of stone, concrete, and brick structures.

Step 3: Consider your options of repair

Lintel repair can also be undertaken, often saving huge financial costs that would otherwise have been spent on demolition and rebuilding. In many situations, rebuilding and the disturbance of historic structures can be minimised with the repaired building often showing little evidence of any intervention to correct structural problems.

How does crack stitching work?

Crack stitching works by inserting long narrow metal stainless steel bars into the brickwork bed joints and grouting them into place. Firstly, deep chases are made into the mortar to create a gap in the bed joint. The deep chases are then cleaned out to remove any debris and a bead of grout is injected. Stainless steel helical bars are cut to size to fit into the bed joint. Next, the bars are then inserted into the bed joint and pushed into the grout. The second bead of grout is then applied on top. Once in place, the crack is concealed using mortar to maintain the original style of the property.

Crack stitching is not only a good solution structurally, it is invisible once installed and therefore will not disrupt the aesthetic of your building. Crack stitching also provides flexibility to the mortar and is a versatile solution that can be adapted for almost any job at hand.

Damage or cracks to your building’s masonry are not merely a cosmetic issue, it can indicate that the structural integrity of the building could be compromised. Specialist help should be sought to help assess and repair any damage immediately. If you notice cracks in your building’s structure, give us a call and we will be happy to discuss your concerns.

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