Wall tie Replacement

What is a Wall Tie?

Wall ties are small metal or plastic strips that are used to connect the inner and outer leaf of a cavity wall. This helps to provide structural stability and prevent the wall from collapsing. Cavity walls are commonly used in the construction of buildings because they provide improved insulation, structural stability, and fire resistance.

Wall ties are typically installed during the construction of the wall, with one tie being placed at regular intervals along the wall. The exact spacing of the ties will depend on the type of wall, the size of the cavity, and the building regulations in the area.

There are several different types of wall ties that are used in construction, including spiral ties, flat ties, and multi-prong ties. Spiral ties are the most common type of tie and are made from twisted wire that is pressed into a helical shape. Flat ties are made from a flat strip of metal and are used in situations where there is limited space within the cavity. Multi-prong ties have multiple prongs that are used to anchor the tie into the wall.

In addition to providing structural stability, wall ties can also help to prevent water from entering the cavity. Water can cause damage to the wall and create a breeding ground for mold and other harmful organisms. By using wall ties, the outer leaf of the wall is held in place and water is prevented from entering the cavity.

It is important to regularly inspect wall ties to ensure that they are functioning properly. Over time, wall ties can become corroded or damaged, which can weaken the connection between the inner and outer leaf of the wall. In some cases, it may be necessary to replace damaged wall ties to maintain the structural integrity of the wall.

Wall Tie Survey & report

Wall ties are an essential component of cavity walls and play a vital role in providing structural stability and preventing water damage. Regular inspections and maintenance are important to ensure that wall ties are functioning properly and helping to keep the wall safe and secure

Wall Tie Replacement

Repairing wall ties should not be undertaken by anyone other than a registered wall tie intsallation professional. We are certified members of the Wall Tie Federation and will ensure your property is safely and professionally finished.

How do you replace a wall tie?

Replacing wall ties typically involves removing the damaged or corroded tie and installing a new one in its place. The exact process for replacing wall ties will depend on the type of wall, the size of the cavity, and the location of the tie. In general, the following steps can be used as a guide for replacing wall ties

Locate the damaged wall tie

This can be done by visually inspecting the wall for signs of damage, such as cracks or bulging, or by using a thermal imaging camera to detect cold spots or moisture in the wall.

Remove the damaged wall tie

We use specialist equipment to carefully break away the mortar around the damaged wall tie. This allows our team to access the tie and remove it from the wall.

Install the new wall tie

We then place the new wall tie in the same location as the old one, making sure it is properly aligned. Using mortar, we secure the tie in place, making sure to fill any gaps around the tie to prevent water from entering the cavity.

Check the new wall tie

Once the new wall tie is installed, it is inspected  to ensure it is securely in place and there are no gaps or other issues.

Wall Tie Survey

A cavity wall tie survey is a process used to assess the condition of the wall ties in a cavity wall. This type of survey is typically performed when there are concerns about the structural integrity of the wall, or when the wall ties are suspected to be damaged or failing.

Cavity wall tie surveys are typically carried out by trained professionals who have experience with inspecting and assessing wall ties. The survey process typically involves visually inspecting the wall for signs of damage or corrosion, and using specialized equipment to assess the condition of the wall ties. This may include using a thermal imaging camera to detect cold spots or moisture in the wall, or using a drill to extract a sample of the wall ties for further examination.

Based on the findings of the cavity wall tie survey, the professional can provide recommendations for repair or replacement of the wall ties. This may involve removing and replacing the damaged ties, or providing additional support to the wall to prevent further damage.

Cavity wall tie surveys are important for ensuring the structural integrity of a building. By regularly inspecting and assessing the condition of the wall ties, potential problems can be identified and addressed before they lead to further damage or collapse.

Signs of Cavity Wall Tie Failures

Cavity wall tie failures can manifest in a variety of ways, depending on the extent of the damage and the location of the wall tie. Some common signs of cavity wall tie failure include:

  • Bulging or bowing walls: When the wall ties are damaged or corroded, they may no longer be able to provide the necessary support to the wall. This can cause the wall to bulge or bow outward, creating a visible distortion in the wall.
  • Cracks in the wall: Cracks can appear in the wall as a result of the wall being unable to support its own weight. The cracks may be small and hairline, or they may be wider and more noticeable.
  • Leaning walls: In some cases, the wall may lean or shift out of plumb as a result of cavity wall tie failure. This can cause doors and windows to become misaligned, and can affect the overall stability of the building.
  • Dampness or mold: When water enters the cavity due to wall tie failure, it can cause dampness and mold to develop within the wall. This can lead to further damage and can affect the health and safety of the occupants of the building.

If you suspect that your cavity wall ties may be failing, it is important to contact a professional for an inspection and assessment. They can help to determine the extent of the damage and recommend the appropriate repairs to restore the structural integrity of the wall.

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