Strengthening and Waterproofing

Helical Bar Reinforced Repairs

We are a Helifix Approved Installer and can install all the reinforcement systems offered by Helifix in an efficient and cost effective manner.


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We have the expertise to carry out building surveys on any building, including those with listed status


Resin Injection and Carbon Fibre Plate Bonding

Quadriga offer innovative and flexible solutions to effectively treat steel corrosion problems on a wide variety of concrete structures such as bridges, car parks, coastal, industrial and high rise structures.

Waterproofing Systems

Incorrect diagnosis and selection of unsuitable waterproofing systems can prove to be expensive and sometimes unsuccessful. Quadriga is experienced in many types of waterproofing systems and can recommend and specify appropriate systems to provide cost effective, guaranteed solutions.


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Have a Façade Maintenance Query? Contact Quadriga

If you are interested in using Quadriga’s services for your facade maintenance and restoration project, you can contact us on
01606 330 888 or at


Our services also extend to other restoration tasks such as masonry and stone repair, timber repair, cathodic protection, damp and waterproofing prevention and Helifix installation. We can help with anything from grand castles and churches to schools and shopping centres, so get in touch and find out how we could assist with your project.

Other Services


We are suitably experienced to inspect and advise on the most suitable methods of repairing concrete, stone, brick and timber

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Façade restoration

Quadriga is an award winning historic building restoration specialist

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Building maintenance

Listed building façade maintenance

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Our work aims to repair whilst preserving the original aesthetic value as far as possible

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