Wall tie is used 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 high before becoming too thin. The effectiveness for the wall tie’s performance is essential 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 because during construction there were not enough wall tie installations.
The types of wall tie for cavities
Our wall ties for replacement are made of austenitic stainless, replacement tie are available in a variety of lengths to fit cavities with widths of that go up to 110 millimeters.
A variety of different wall tie designs are offered such as drive tie, resin or cementitious tie. your property surveyor can recommend the best choice 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 other insulation clips.
Each design incorporates drip details to stop the passage of water through the cavity. Wall ties are checked for pressure to ensure they’re secure.
How to spot a wall tie problems
The British Standard for wall ties was established 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 used in wall ties decreased and this led to an investigation in 1981 that revealed that as high as 12 million homes may be being affected by wall tie corrosion because of the absence of zinc-protection. The ties made of mild steel are likely to begin to rust, and that’s why it’s important to check them regularly.
The problem with wall tie failure can only be seen when 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 failure?
Horizontal cracking is commonplace regularly occurring in mortar joints outside
The wall’s bulges outward The joints are widened, which causes the wall to deflect towards the outside usually around windows frames
The raising of roof edges – at the gables, the expansion of brickwork may create a noticeable “pagoda” result.
Internal cracks, which are vertical in nature, can be seen at junctions between internal walls and horizontal cracks can be seen at ceiling and wall junctions
Cracks that render coats
How to put in wall ties
When the wall tie you installed in the building of your home have started to break, then it is crucial to put in new wall ties for cavity walls. Our knowledgeable and experienced team of professionals in wall tie will determine the source of the corroded wall tie and then replace them.
Our wall tie replacement procedure includes:
It is essential to determine the correct length of the wall ties needed
The use of drills with low impact to prevent damage to outer walls before installing the new tie
Install new stainless steel that is non-corrosive wall tie
Then, pull test the desired number to verify the effectiveness
The holes in the wall are dressed with a tarpaulin to be in keeping with the appearance of the wall and protect the exterior of your home.
The ties that are in use are separated and removed to avoid any further corrosion. New tie that is inserted. When the walls ties have become corroded to the point where they bulge or cracks appear in the wall require stitching cracks or lintel repair , our team of experts will design an repairs and treatment strategy for you.
Repair and replacement of structural walls are covered by our 20-year warranty which means you can be confident that your home is in good in the hands of our industry-certified professionals.
Wall tie survey
To assess the severity of wall tie repairs and replacements needed our experienced and skilled surveyor will conduct an examination of your 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.
There are a variety of tools utilized, including 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 final cost of replacing a cavity wall tie will be determined by the severity of the issue as well as the number of cavities wall ties you will need to replace.
Contact a cavity wall tie specialist…
To learn more about the cavity wall, please contact one of our staff members. We provide friendly and helpful advice you can count on and if we believe you could benefit from a home inspection and we’ll arrange one of our expert surveyors to come to your home and determine the root of the issue.
Contact us for one of our team members.
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