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Trusted Roofing and Cladding Solutions in Leicester
Established over three decades ago, Thomas Cassie & Sons has built a reputation as a trusted partner in commercial, industrial, and public sector roofing and cladding solutions. Our expertise spans new build and refurbishment projects, serving clients ranging from local authorities and healthcare providers to international blue-chip companies. With a management team possessing decades of combined experience, we prioritise delivering cost-effective, high-quality solutions tailored to each project's unique requirements. All operatives are CSCS-certified, with supervisors holding SSSTS or SMSTS accreditations, ensuring adherence to rigorous health and safety standards.

As NFRC members and holders of CHAS and Constructionline GOLD accreditations, we maintain full compliance with industry best practices. Our commitment to innovation is evident in our adoption of drone surveys and integration of solar PV systems, while our partnerships with approved supply chains guarantee BBA-accredited materials. Backed by comprehensive insurance and a track record of completing projects ahead of schedule, we combine traditional values with progressive methodologies to meet evolving client needs across the UK.
Services
Flat Roofing Metal Cladding Drone Survey Slating & Tiling Leadwork Roof Maintenance Solar PV Installation Asbestos Removal Fabrication Emergency Repairs
Highlights and features
  • We have over 30 years of experience in commercial, industrial, and public sectors.
  • All operatives are CSCS-certified with relevant health and safety accreditations.
  • Supervisors hold SSSTS or SMSTS qualifications for project management excellence.
  • We maintain NFRC membership and Safe To Torch accreditation for industry compliance.
  • Our work includes 15-25 year warranties on selected flat roof systems.
Associations and certifications
  • NFRC
  • CHAS
  • Constructionline GOLD
  • Safe To Torch
What people say
Immaculate quality Ahead of schedule Cost-effective solutions Expertise evident Reliable partners
Services
Flat Roofing
We install BBA-certificated flat roof systems using industry-leading materials. Our torch-on felts, PVC membranes, and liquid coatings ensure durability. Warranties of 15-25 years are available depending on system selection.
Metal Cladding
Our metal cladding solutions include insulated panels, standing seam systems, and daylight systems. We offer bespoke fabrication in galvanised steel, colour-coated steel, and aluminium up to 6mm thickness.
Drone Survey
We utilise drone technology for accurate roof surveys. This method reduces costs and safety risks while providing detailed data for maintenance planning and project scoping.
Slating & Tiling
We install natural slate and man-made roofing products in accordance with B.S. 5534. Our systems include integral solar PV options and are sourced through approved supply chain partners.
Leadwork
We provide traditional lead roofing and cladding solutions. All works follow LSA guidelines, including cast rainwater goods and leadwork integral to pitched roof systems.
Questions
What sectors do you specialise in?
We work across commercial, industrial, and public sectors including education, healthcare, and local authorities.
Are your operatives certified?
All staff hold CSCS certifications, with supervisors accredited under SSSTS or SMSTS training programmes.
Do you offer roof warranties?
Yes, we provide 15-25 year warranties on selected flat roof systems depending on product choice.
Can you handle complex projects?
Our team has completed challenging projects for universities and blue-chip companies using innovative methods.
What safety accreditations do you hold?
We maintain CHAS, Constructionline GOLD, and Safe To Torch accreditations with full-time safety consultants.