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Specialist Damp, Timber & Wall Tie Surveys

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Wall Tie Survey

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Cavity Wall Tie Replacement

The majority of houses built over the last century are of cavity wall construction: the external walls are built with two leaves of brickwork which is ‘tied’ together with cavity wall ties. This design of wall makes for a warmer and drier home than the older solid brick construction as the cavity can be insulated and the outer skin protects the inner skin from the elements.

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Cavity Wall Tie Showing Signs Of Decay, Note The Rust That Has Caused The Wall Tie To Expand.

The problem associated with cavity wall construction lie with the wall ties, houses built prior to 1980 often used mild steel cavity wall ties in their construction, this type of wall tie has the tendency to rust especially in the outer leaf of brickwork, this can lead to horizontal cracking and bowing of the brickwork, in some cases this can lead to the failure of the wall ties causing structural damage to the walls and walls collapsing. Thankfully most houses built since 1980 have used stainless or heavily galvanised cavity wall ties in their construction, these  wall ties do not rust in the same way.

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Decayed Wall Ties Being Isolated From Causing Further Damage

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Mild Steel ‘Fishtail’ Wall Tie Exposed During Survey, In Good Condition

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Correct Surveying Methods Are Essential To Prevent Unnecessary Works

 

 

 

 

 

 

 

 

The majority of houses built prior to 1980 stand a good chance of having some degree of decay to their wall ties and should be inspected, the main tell tale signs of cavity wall tie failure are, horizontal cracking of the mortar beds and slight bulging of wall surfaces, in extreme cases cracks can appear on internal plasterwork but this is rare.

Should you suspect you have a problem with your Cavity Wall Ties and need some advice, don’t hesitate to contact us on 0191 4159471, or fill out our contact form

 

 

 To Book Your Wall Tie Survey Call NOW On 0191 4159471

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Why Use Us

Wall Tie Inspection

9th April 2025 By Remedial Surveyor

We received a call from a customer who had been told that she needed her wall ties replaced by a company that was due to carry out some repointing work on the side gable wall. The customer wanted a second opinion, the quote from just doing the repointing,Read More >

Black Mould On Walls, Condensation Season Is Back Again

21st January 2020 By Remedial Surveyor

Black Mould On Walls Its that time of year folks, condensation black mould is back in the North East, this particular photo was taken from a recent job the team carried out in Durham, It’s a Durham University student property that had this area of wall damp proofedRead More >

Woodworm In Floorboards

3rd December 2018 By Remedial Surveyor

Woodworm found on recent survey in Durham, clients asked us to carry out a survey prior to purchasing their new house. The woodworm infestation was that bad the floorboards simply collapsed when stood on. Woodworm was also found in other areas, believe it or not but this wasRead More >

Dreaded Dry Rot (Serpula Lycramans)

18th April 2017 By Remedial Surveyor

Prior to carrying out a recent pre-purchase survey at a house in Durham I was informed by the potential purchasers that areas of mould were present in the living room and they wanted to get it checked out prior to exchanging on the property. I had a lengthyRead More >

Damp Proofing Old Stone Built Houses

5th April 2017 By Remedial Surveyor

We have recently been surveying some older stone built properties for Allendale Estates (Lord Allendale), certain properties have been suffering with ongoing damp issues for a number of years. The properties are typical of rural Northumberland, stone built under a slate roof with cast iron rain water systems,Read More >

Wall Ties – Do they really need replaced?

18th March 2015 By Remedial Surveyor

Wall Ties……what are they and why do they often crop up when buying or selling a house! Wall ties are used in the construction of cavity walls, their purpose is to tie the internal and external walls (or leafs) constructed of bricks or blocks together. Wall Ties are placed inRead More >

Dry Rot Survey Newcastle

9th December 2014 By Remedial Surveyor

Dreaded Dry Rot We were recently instructed by a private bank based in Cardiff to carry out a survey on a property they own in Wrekenton, Gateshead, The property is currently for sale with a local estate agent in Low Fell, Gateshead following the passing of their equityRead More >

Condensation Season Is Here!

19th November 2014 By Remedial Surveyor

We’ve been kept busy lately with the daily enquiries from clients complaining of damp patches of black mould appearing on walls within their properties. What is black mould? Black mould is a problem associated with condensation – an extremely common problem in properties between the months of October to March.Read More >

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