About Us

Suppliers and installers of External Wall Insulation (EWI) and Specialist Render finishes throughout the south of England.


  • Solely specialising in External Render and External Wall Insulation for over 20 years we are able to offer our expert knowledge and experience to our clients from design to realisation.
  • We offer specialist rendering and external wall insulation solutions to new build and refurbishment projects.
  • Applicators of low maintenance Through coloured, silicone, Acrylic, synthetic, thin coat, mineral and lime based renders
  • We are able to provide a specialist rendering or external wall insulation system to suit traditional masonry, blockwork/brickwork substrates through to timber or steel (SFS) frame construction.
  • Working closely with architects, designers and our clients we aim to provide all of the information and expertise required to produce the correct specification to suit the project, design and budget. With an extensive range of products, finishes and colours available we provide an independent, unbiased service.
  • We provide machine-spray applied or hand applied services to suit the project size and programme.
  • MGW Contractors are approved applicators/installers for the market leading manufacturers such as Weber, Permarock, K-Rend,Sto,Marmorit, Monolith, Knauf Aqua panel and many others. We are happy to undertake further manufacturer training with alternative manufacturers as our clients require.
  • All of our works are fully guaranteed for a minimum of 10 years.
  • MGW Contractors Management and supervisors hold relevant SMSTS/SSSTS training certifications, all of our applicators hold valid CSCS Cards and are CRB checked.




MGW Contractors cover all aspects of rendering including works to, New Build- refurbishments-render repairs, alterations and maintenance to modern render finishes-NHBC works;

  • Residential
  • Commercial
  • Leisure
  • Healthcare
  • MoD



    • Photo 7

      External Wall Insulation

      As approved installers for the market leading external wall insulation ...

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    • Addlestone-5

      Monocouche Renders

      Known as Monocouche meaning “one coat”, or sometimes referred to ...

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    • Photo 8

      Thin Coat Synthetic Renders

      Are fully mesh reinforced Multi layer render systems which can ...

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