What are the signs of cavity wall tie failure

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A wall tie is utilized to join two brick walls with a single leaf together to create an exterior wall. The single leaf of brick may only be built to 1.2-1.5m high before becoming too thin. The quality that the tie provides is vital for the stability for the wall cavity.

Do you require a an upgrade to your wall tie?

Many homes and buildings throughout the UK are affected by the corrosion of a wall tie or failure that requires repairs to the structure or repair or replacement of the wall tie. The most common issue is that in the building process there was not enough wall tie installations.

Different types of wall tie for cavities

Our wall ties for replacement are constructed from austenitic stainless, replacement tie options are available in different lengths that can accommodate cavities with widths of as wide as 110mm.

A variety of different wall tie designs are offered such as drive tie, resin or cementitious tie. your property surveyor will suggest the most suitable option for you. This is contingent on the kind and state of the masonry and brickwork being used. Other kinds include wall tie clips to hold bubble foil insulation, as well as insulation clips.

Every design has drip details to stop water from flowing through the cavity. Wall ties are tested for pressure to ensure they’re secure.

How do you identify a wall tie problems

The British Standard for wall ties was established in 1945. prior to that the wall tie had no standards therefore the quality of wall ties found in houses can vary greatly. In 1964, the quantity of zinc contained in wall ties decreased and this led to an examination in 1981 which discovered that as many as 12 million homes might be being affected by wall tie corrosion because of the absence protection from zinc. Any mild steel tie are likely to be corroded, which is why it’s important to ensure that they are checked.

Wall tie failure can only be seen after the effects of corrosion in the cavity wall tie result in damage to the wall’s external and internal wall.

What are the warning signs of wall tie problems?

Horizontal cracking occurs regularly occurring in mortar joints outside
Walls that bulge outward The joints expand, causing walls to deflect to the side typically around windows frames
The upward lifting of roof edges at the gables, the expansion of brickwork may result in a noticeable ‘pagoda’ result.
Internal cracks – vertical cracks can be observed in internal wall junctions and horizontal cracks are seen at ceiling and wall junctions
Cracks can render coats

How to put in wall ties

When the wall tie you installed in the building of your house have begun to break, then it is imperative to install new wall ties for cavity walls. Our knowledgeable and experienced team of experts in wall tie will pinpoint the area of wall ties that are corroded and then replace them.

Click here if you need a cavity wall tie specialist.

The wall tie replacement procedure includes:

It is essential to determine the correct length of the wall ties needed
Utilization of drills with low impact to minimize damage to the outer walls before installing the new tie
Install new stainless steel that is non-corrosive wall tie
Test the number of pulls to confirm the efficacy
Hole holes for drilling are covered with a tarpaulin to make them look like the wall and protect the exterior of your property.

The old ties are isolated and removed to avoid any further corrosion. New tie that is inserted. When the walls ties are corroding to the point that they bulge or cracks have formed in the wall need to be stitched or repair of lintel, our expert team will create the repairs and treatment strategy for you.

Repair and replacement of structural walls are covered by our guarantee of 20 years which means you can be confident that your home is in good and in the hands of our accredited professionals.

Wall tie survey

To determine the extent of wall tie repairs and replacements needed our experienced and skilled surveyors will perform an assessment of building and load-bearing walls. They will also inspect the inner and outer leaf walls, and the mortar bed, finding the location of existing cavities wall ties, as well as their state of repair.

A variety of tools are employed, such as metal detectors for plotting the areas and the endoscopes for examining the state of these.

How much will the cost of replacing a wall tie

The cost for the replacement of a cavity wall tie will depend on the extent of the issue as well as the number of cavities wall ties you will need to replace.

Contact the experts in cavity wall ties

For more information on cavities wall tie-ups, please contact one of our staff members. We can provide helpful and friendly guidance that you can trust and if we believe you could benefit from a home inspection We can make arrangements an expert surveyors to visit your home to determine the cause of the issue.

Call us to speak with one of our staff members.