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How to identify cavity wall tie failure

A wall tie is utilized to join two brick walls with a single leaf together to create an exterior wall. One single leaf in masonry may only be built to 1.2-1.5m tall before it gets too thin. The effectiveness for the wall tie’s performance is vital to the strength that the cavity wall will have.

Do you require a an upgrade to your wall tie?

Millions of homes and homes throughout the UK are suffering from damage to the wall or failure, and require structural repairs or specialized replacing of wall ties. Most often, the issue is that in the building process there were not enough wall ties put in place.

The types of wall tie for cavities

Our wall ties for replacement are made of austenitic stainless steel. Replacement tie options are available in different lengths that can accommodate cavities with widths of that go up to 110 millimeters.

There are a variety of wall tie designs are offered such as drive tie, resin or cementitious tie. your property surveyor will suggest the most suitable option for you. It is based on the type and condition of the masonry as well as brickwork that is involved. Other kinds include wall tie clips that can be used for bubble foil insulation as well as other insulation clips.

Every design has drip features to avoid the passage of water through the cavity. Wall ties are checked for pressure to ensure they’re secure.

How do you identify a failure of a wall tie

The British Standard for wall ties was introduced in 1945, prior to this it was not a standard therefore the quality of wall ties found in houses could be drastically different. In 1964, the quantity of zinc contained in wall ties decreased and this led to an examination in 1981 which revealed that as high as 12 million homes may be being affected by wall tie corrosion because of the absence of zinc-protection. Any mild steel tie eventually be corroded, which is why it’s important to check them regularly.

Do you need a cavity wall tie specialist? Get in touch with North West Wall Ties…

The problem with wall tie problems are only apparent when the effects of corrosion in the cavity wall tie result in damage to the wall’s exterior and internal wall.

What are the warning signs of wall tie failure?

Horizontal cracking occurs regularly occurring in mortar joints outside
Walls that bulge outward The joints are widened, which causes the wall to deflect towards the outside typically around windows frames
The upward lifting of roof edges at the gables, the development of brickwork may create a noticeable “pagoda” result.
Internal cracks – vertical cracks can be seen in internal wall junctions and horizontal cracks can be seen at ceiling and wall joint
Cracks can render coats

How to put in wall ties

When the wall tie that were installed in the building of your home have started to break, then it is crucial to put in new cavity wall ties. Our knowledgeable and experienced team of experts in wall tie will determine the source of wall ties that are corroded and then replace them.

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 prevent damage to exterior walls prior to installing the new tie
Add new non-corrosive stainless steel wall tie
Test the number of pulls to confirm the efficacy
The holes in the wall are dressed with a tarpaulin to make them look like the wall and to protect the appearance of your property.

The old ties are isolated and removed to stop any further corrosion. New tie that is inserted. In the event that the walls’ ties are corroding to the point where they bulge or cracks have formed in the wall need to be stitched or lintel repair , our team of experts will design an fix and treatment program for your.

The services we offer for structural repairs and wall replacement are covered by our guarantee of 20 years so you are assured that your home is safe and in the hands of our accredited expert team.

Wall tie survey

To assess the severity of wall tie repairs and replacements needed our experienced and skilled surveyors will perform an assessment of building wall load-bearing walls, the inner and outer leaf walls, and the mortar bed, finding the location of existing cavity wall ties and their state of repair.

A variety of tools are utilized, including metal detectors that plot places and endoscopes to check 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 be determined by the severity of the issue and the number of cavities wall ties you will need to replace.

Contact the specialists for cavity wall ties

For more information on the cavity wall, please contact an individual from our team. We can provide helpful and friendly advice you can count on and if we believe that you would benefit from an inspection of your home and we’ll arrange an expert surveyors to come to your home to determine the cause of the issue.

Contact us for one of our staff members.