Flat Roofing in South London - Barris Roofing Ltd


Flat Roofing is rumoured to be a very troublesome area in roofing, but with modern day techniques, those rumours are proving incorrect.

We offer a full flat roofing service including:

  •  GRP / FIBREGLASS ROOFING
  •  HIGH PERFORMANCE 3 LAYER SYSTEM TORCH-ON FELT
  •  MASTIC ASPHALT FLAT ROOFING
  •  LEAD FLAT ROOFING
  •  EVOLUTION 1 LAYER OVERLAY FELT


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High Performance 3 Layer Felt System - Traditional Solution

A more traditional flat roofing technique, but now with advanced materials, meaning longer guarantees. We can offer 10 year guarantees on our new felt roof installations. Our material of choice is ICOPAL TECHNATORCH.​


Felt 3 layer flat roof system

Europolymers Evolution Overlay Felt - Lower Cost Flat Roof Solution

Evolu​ion felt overlay is a product specifically designed to overlay existing surfaces such as old felt or asphalt. Although the cost per roll is higher than standard felt cap sheet, the system is designed to be 1 layer (as opposed to 3) & can really save money on a complete new roof project. Evolution is available with 10, 15 or 20 year guarantees, with the product changing in thickness depending on the required guarantee length.

evolution overlay felt flat roof

Evolution overlay flat roof system​


GRP Fibreglass Systems - 20 year guarantee​

We have dedicated a page (see menu to left)​ to GRP Fibreglass flat roof installations.

grp roof


Fully Insured For Heat Works

We are fully insured for all flat roofing works & including heat work insurance (for high performance torch on felt and Evolution Overlay). Simply Business Professional Indemnity

Public Liability : £2,000,000
Professional Indemnity : £50,000
Employers Liability : £10,000,000

Flat Roof Reports For Insurance Companies

We offer a flat roof report service (charges apply) for your insurance company. This email address is being protected from spambots. You need JavaScript enabled to view it. to arrange an inspection of your flat roof.

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WIN!! £75 worth of John Lewis Vouchers! Visit our site and leave a review on our service. Closes 5th Nov 17.… https://t.co/csXMupUtJN


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Fibreglass season! #grproofing #roofinglondon @ London, United Kingdom https://t.co/Azhw7nVgua


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RT @CompetentRoofer: MEMBER: @BarrisRoofingLt can self-certify their #roofing refurbishment works as compliant with UK Building Regs http:/…


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Lead dormer completed in #westnorwood #roofinglondon #roofing @ West Norwood https://t.co/aJPDsnTn8L


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1 of two projects completed today. #fibreglass #grp #grproofing #roofinglondon #roofers @ Tooting https://t.co/iHweCkwQmv


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GRP roof completed today in #london #roofinglondon @ Tooting https://t.co/Bsw1vo5ZZC