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Take the Risk out of Roof Design

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SIG Design & Technology offers a complete and impartial roof design and supply service for both new build and refurbishment projects, including single ply, zinc, copper and stainless steel roofing and cladding, and green roof systems.

We help architects and contractors make roofs that last, save energy and carbon, and crown their projects with the roofs they deserve.

Our technical team works closely with our clients to understand their needs and provide unique, tailor-made solutions that are guaranteed.

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Why Choose Us

  • A genuinely impartial choice of roofing products – we are Product Agnostic
  • We design, supply and guarantee your roof
    ‘from the deck up’
  • PI Insured, independent advice removes clashes between manufacturers
  • Expert knowledge of flat roofs, green roofs and metal roofing and cladding
  • National network of hundreds of registered and supported roofing contractors


Latest Blog Posts

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Recent Case Studies



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Speak to our roofing specialists

Contact us for accurate, impartial advice

Take control of your roofing project from the very start.