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 effectiveness that the tie provides is essential to the strength that the cavity wall will have.
Do you require a new wall tie?
Many homes and buildings throughout the UK are affected by damage to the wall or failure that requires structural repairs or specialized replacing of wall ties. The most common issue is because during construction there was not enough wall tie installations.
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 to fit the width of the cavity 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 best choice for you. It is based on the type and state of the masonry and brickwork that is involved. Other kinds include wall tie clips that can be used for bubble foil insulation, as well as clips for retaining insulation.
Every design has drip details to stop water from flowing through the cavity. Wall ties are checked for pressure to ensure they are safe.
Visit our website when you need a cavity wall tie specialist.
How do you identify a wall tie problems
The British Standard for wall ties was introduced in 1945, prior to this it was not a standard consequently the quality of wall ties found in houses can vary greatly. In 1964, the amount of zinc contained in wall ties was decreased and this led to an investigation in 1981 that revealed that as high as 12 million homes may be affected by corrosion of wall ties 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 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 failure?
Horizontal cracking occurs regularly occurring in mortar joints outside
The wall’s bulges outward The joints expand, causing walls to deflect to the side typically around windows frames
The raising of roof edges – at the gables, the development of brickwork could result in a noticeable ‘pagoda’ result.
Internal cracks – vertical cracks can be observed at junctions between internal walls and horizontal cracks can be seen at the internal wall and ceiling junctions
Cracks that render coats
How do you install wall ties?
When the wall tie that were installed in the building of your home have started to fail, it is imperative to install new cavity wall ties. Our knowledgeable and experienced team of professionals in wall tie will pinpoint the area of the corroded wall tie and then replace them.
The wall tie replacement procedure includes:
Determining the exact length of the wall ties needed
Utilization of drills with low impact to prevent damage to outer walls before installing the new ties
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 be in keeping with the appearance of the wall and protect the exterior of your property.
The old ties are isolated and removed to avoid further corrosion . The new tie being inserted into their place. When the walls ties have become corroded 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 the 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 in good in the hands of our industry-certified professionals.
Wall tie survey
To determine the extent of wall tie repairs and replacements that are required Our experienced and certified surveyor will conduct an examination of your building wall load-bearing walls, the inner and outer leaf walls as well as the mortar bed, finding the position of the existing cavities wall ties, as well as their state of repair.
A variety of tools are utilized, including metal detectors that plot areas and the endoscopes for examining the state of these.
How much will the cost of replacing a wall tie
The cost for replacing a cavity wall tie will depend on the extent of the issue and the number of cavity wall ties are required to replace.
Contact the specialists for cavity wall ties
For more information on cavities wall tie-ups, please call one of our staff members. We provide friendly and helpful guidance that you can trust and if we believe that you would benefit from an inspection of your home and we’ll arrange an expert surveyors to visit your home and determine the root of the issue.
Contact us for one of our staff members.