Understanding The Effectiveness Of Cementitious Grout Sock Anchors


The Prevention and the cure

It is a common occurrence in many older structures such as houses and other buildings, for long-term deterioration and movement to cause parts of them to fail or weaken at the very least. Under normal circumstances, this could be fixed with a very involved and disruptive type of repairs. As well as causing a lot of obstructions, it can be a very costly affair. Particularly if the structure is a listed building and special procedures and techniques need to be followed.


However, it doesn’t have to be quite as expensive or disruptive, fixing these kinds of issues. There is an effective and very sympathetic technique used to repair this kind of damage, known as cementitious grout sock anchors.

How Sock Anchors Actually Work

The ‘sock’, as it is known as, when placed into voids, expands while it continues to retain the cementitious grout to create a strong and effective bond and is the key to stabilising and holding together voided or irregular masonry.

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Cementitious Grout Pressure Injections

The sock anchor is made up of a mild steel or stainless steel tube or bar that is held inside a sleeve made of porous fabric that cementitious grout (the non-shrink variety) is injected into using fully monitored pressure. The holes for the anchors are drilled using either dry or wet diamond coring with a rotary percussive. The type that is deemed best and therefore used depends on the substrate’s suitability. The large hole then has the anchor inserted into it.

How The Cementitious Grout Is Measured And Mixed

The special grout is measured and mixed according to the instructions given by the manufacturer and that is then poured carefully into a pressurised pot. A hose and control valve are used to fill the anchor sleeve with the grout at the anchors end, with the pressure of the injection being managed and altered as appropriate by an organiser.

A System That Can Be Adapted For Strong and Reliable Structural Repairs

Using cementitious grout sock anchors has been a particularly strong and reliable system for repairing older structures and listed buildings of cultural or historic value. Specifiers and engineers have both appreciated how adaptable the system is and how strong the structural repair is thanks to the cementitious grout.

Examples Of Typical Applications

There are a variety of different applications that cementitious grout sock anchors can be used for, including the following examples.

  • Rubble-Filled Wall Stabilisation
  • Floor Joists Used To Restrain Solid Walls
  • Consolidating Arches

So when you have a building or other kind of structure, especially listed buildings of note, and need to carry out repairs that is easy enough to use without causing further damage in the process. This is an ideal technique to use. If you would like to make use of cementitious grout sock anchors to fix your building, you need to speak to a professional.

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