Helical Systems

MacLennan are experienced in assessing structural failures and damages, recommending the best system to rectify the issues. Helical systems are commonly used to repair structures and prevent further failings in the future.

Helical systems provide a quick and easy-to-fit solution when dealing with some common structral failures.

Lintel failure

Lintel failure is very common and the traditional method would be to take the arch or lintel out of situ and rebuild the arch and brick work, making this an expensive and time consuming project. Instead of doing that, we can come along and provide you with a specification to install a helical masonry beam which will take the loadings away from the arch and spread them either side, as long as it's been installed correctly. We can then put some helical cemties into the arch to stop further movement, preventing the need to take the arch down and rebuild. A small repair like a 2m wide opening would only take a morning to complete with very little preparation material needed.

Thermal movement

This is the expansion and contraction of materials due to change in temperature. Thermal movement varies considerably through the different building materials available and there are many ways to repair such cracks, we can use Helical crack stitches to repair the cracks or if we have a long unbroken block of masonry we can install movement joints to allow the natural movement of the material.

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    – Crack Stitches Wiltshire
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    – Crack Stitches Salisbury
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    – Helical System Installation
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    -Filling Crack Stitches
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Get in touch with our technical team today!

Guaranteed Helical Systems

Helical repairs are flexible helical stainless steel ties and bars that when installed are invisible and incredibly strong. We often use this type of system to repair cracks, bowing and debonding, yet the systen still allows minor normal movements to prevent the problem from moving elsewhere. Unlike most helical bar manufacturers, MacLennan offer long-term guarantees that cover both the materials and workmanship.

If you'd like to discuss your structural problem in more detail, please contact the MacLennan team.

Why should I work with MacLennan?

WE’RE INDEPENDANT

We Design, supply and install. There's no split responsibility with MacLennan.

WE’RE PASSIONATE

MacLennan live and breathe waterproofing, have a look at one of our free CPD seminars and find out!

WE’RE GUARANTEED

MacLennan has the most comprehensive guarantees and insurances in the industry.

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0845 658 7777
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