Flat Roofing

Our new flat roofing installations are guaranteed for 20 years

Flat RoofingSimpson Dennis Roofing Services can carry out temporary repairs to your existing flat roof or we can install a completely new flat roof using the latest materials that offer enhanced durability and a longer life.

Debotec Flat Roofing Systems - Torch Applied

New Debotec Flat Roofing installations come with a 20 year guarantee.

Debotec Flat Roofing Systems provide a number of solutions for refurbishment and new roofing projects. The Debotec three layer system is made up of three layers using universal venting/perforated layers, glass fibre base sheets intermediate layers followed by final capping layers.

The Debotec Laser Gold System we use has a life expectancy of up to 40 years and is guaranteed for 20 years, using high tensile polyester re-enforcements with low melt SBS bitumen modifications.

When using felt and hot bitumen, Simpson Dennis complies with all legislation and health and safety regulations and is fully insured for your peace of mind.

We can install and repair flat roofing on a variety of buildings and properties including:

  • Garages
  • Extensions
  • Porches
  • Summerhouses
  • Sheds
  • Pavilions


We needed some work doing on the flat roof section of our house - together with new concrete verges to replace the plastic dry verges fitted by what turned out to be a fly by night company. I was determined not to be caught out again and following good reviews on another review website I chose Simpson Dennis Roofing. Read full review...