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Welcome To Pro-Point Southwest With over 20 Years Experience in Concrete and remedial repairs. A Menber of The Wall Tie Installers Federation

Call Us For More Information on:

07872572639

Alternatively, e-mail us at

admin@propointsouthwest.com


A Member of: The Wall Tie Installers Federation

Southwest Ltd.

Wall Tie corrosion is a problem particularly common in older brick properties with cavity walls. Condensing moisture in buildings always migrates to cold surfaces and since the Wall Ties are steel, moisture gathers on them. Over time they corrode until eventually they fail completely rendering the wall structurally unstable. In several cases this has led to building collapse.Book in a survey to check the structure and condition of your wall ties


Cavity wall design incorporating metal wall ties, has been in use since the beginning of the nineteenth century, to prevent rain penetration and to improve thermal insulation. Over recent years, it has become apparent that a high number of properties, built before 1981 are suffering from premature wall tie corrosion.

Latest research by the Building Research Establishment, has found that wall ties corrode faster in the mortar within the external leaf of brickwork, leading to oxidisation where they will expand to several times their original size. This expansion will cause structural instability, by lifting the mortar Joints where they lay.

Visual evidence of corrosion can be seen by horizontal and diagonal stepped cracking to external wall surfaces. If corrosion is severe it will lead to distortion and bulging. In some cases external walls have collapsed during gales. Research has also found that a high percentage of properties inspected, had an inadequate number of wall ties especially around openings, i.e. windows and doors.

Pro-Point can provide a number of wall tie solutions depending on the materials as well as pull out testing to clarify that the ties are of an adequate nature.

We have a range of solutions from HELIFIX for various applications and wall types so contact us with your enquiry. 25 year insurance backed guarantees are available on request with every wall tie installation.

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