Flat Roofing

Flat Roofing

Flat Roofing Installers

All flat roof systems installed are B.B.A certificated and supplied by industry brand names associated with the manufacture of quality products. Good design, quality products and experienced labour are all necessary requirements for a trouble free installation, all of which Thomas Cassie & Sons provide on a daily basis to clients around the UK. Warranties are also available for 15, 20 and 25 years depending on the selected product / system. Contact us to find out more.


Torch-on high performance felts

“Flame free” bitumen felt systems

P.V.C single layer roof membranes

Liquid applied coating systems

Why Use Thomas Cassie & Sons?

  • Over 30 years of experience in commercial, industrial and public sectors.
  • All operatives are H&S tested with CSCS accreditation relevant to their skill set.
  • All supervisors are either SSSTS or SMSTS accredited and all works are fully insured.
  • NFRC membership and “Safe To Torch” accredited.
  • All operations are fully risk-assessed with available access to IOSH training and accredited consultants as required.
  • Assistance available for the design and any resolution of technical issues of flat (and pitched) roof projects.


Bauder  Icopal  Iko  Langley

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Safe Contractors Safe PQQ
Federation of Master Builders
Confederation of Roofing Contractors
NFRC Roofing Competent Person Scheme