Flat Roofing

High-Performance Flat Roofing for Commercial & Public Sector Projects

We specialise in large-scale flat roofing installations and refurbishments across London, Essex, Kent, Sussex, and Surrey.

As approved contractors for Bauder and Polyroof, DL Jones Roofing delivers expertly installed flat roof systems tailored to the needs of local authorities, housing associations, schools, commercial developers, and facility managers.

Our Flat Roofing Systems

Bitumen Membrane Roofing (Bauder Approved)

A proven, durable option for schools, hospitals, and large buildings. Ideal for warm roof build-ups and new installations. We offer full Bauder system integration, including insulation, vapour control, and green roof compatibility.

Best for: Industrial roofs, offices, cost-sensitive projects.

Single Ply Systems (Including EPDM & PVC)

Lightweight, fast to install, and highly resistant to UV and chemicals. Ideal for commercial units and industrial flat roofs where speed and cost-efficiency matter.

Best for: Industrial roofs, offices, cost-sensitive projects.

Cold Applied Systems (Polyroof Approved)

Seamless, flame-free, and ultra-durable. Perfect for occupied buildings, sensitive environments, and complex roof shapes. Our cold-applied systems provide full waterproofing without the risk of hot works.

Best for: Live sites, schools, hospitals, complex roof layouts.

Green Roofs

Installed in conjunction with Bauder waterproofing systems. Supports biodiversity, reduces stormwater run-off, and improves thermal performance. Often required for planning on public and urban projects.

Best for: Eco-conscious developments, schools, civic buildings.

Warm Roof Build-Ups

All our flat roofing systems can be installed as warm roof solutions – improving energy efficiency, meeting Part L requirements, and extending roof lifespan.

Ideal for: Refurbishments, sustainability-focused projects, BREEAM targets.

Why Choose DL Jones Roofing for Flat Roofing?

Approved by Industry Leaders

We are certified installers of Bauder and Polyroof systems.

30+ Years of Experience

Established in 1986, with a strong portfolio of commercial and public sector work.

Specialist Teams

Dedicated flat roofing teams with system-specific expertise.

Fully Accredited

CHAS, SafeContractor, Constructionline Gold, Bauder, Polyroof and more.

Health & Safety Focused

Fully compliant with CDM, RAMS, and on-site safety protocols.

Project Versatility

From schools and hospitals to commercial units, we’re equipped for flat roofing projects of all scales and specifications.

Sectors We Work With

Schools & Educational Buildings

Block Management Companies

Commercial Properties

Domestic & Residential Roofing

Property Management Companies

Hospitals & Healthcare Estates

Housing Associations

Local Authorities

Industrial Sites & Warehouses

Let’s Talk About Your Roofing Needs

Whether you’re managing a housing portfolio, overseeing public buildings, or need urgent repairs to your property, we’re ready to help. Get in touch with our expert team today.

or request a quote

Recent Projects

Bauder Bitumen Membrane Installation – Flat Roof Replacement in Lingfield, Surrey

High-Spec New Build Roof Installation – Private Residential Property, Woldingham, Surrey

Large Flat Roof Refurbishment at Flagship School, Hastings, Surrey

Flat Roof Installation at Warlingham Park School, Surrey

What Our Clients Say

We’re proud of our reputation and the trust we’ve earned from local authorities, commercial clients, and homeowners alike. Our customers consistently recommend us for our high standards, clear communication, and hassle-free service.

“The professionalism, speed, and quality of the work delivered was outstanding. The overlay system saved us time, money, and unnecessary environmental impact. We’re very pleased with the final result.”

Site Manager, Flagship School

“Excellent job from start to finish ,the work was carried out efficiently, and the end result has really improved the look and safety of the school grounds.”

Site Manager, Warlingham Park School

“DLJones CPS Ltd delivered a professional, efficient installation and handled all site challenges with confidence. The new roof is performing exactly as expected — we’re pleased with the outcome.”

Tandridge District Council

Frequently Asked Questions

What types of flat roof systems do you install?

We install Bauder bitumen, Polyroof liquid, single ply (EPDM/PVC), and green warm roof systems tailored for commercial and public sector projects.

How long do flat roof installations last?

With proper installation, manufacturer-approved systems like Bauder and Polyroof typically last 20-30 years, especially when regularly maintained.

Are your flat roofing systems compliant with warranties?

Yes – as approved installers, we provide full system warranties backed by Bauder and Polyroof, including insulation build-ups and waterproofing.

Can you overlay an existing flat roof?

Absolutely. Polyroof liquid systems are ideal for overlaying existing felt or asphalt roofs, avoiding full strip-outs and reducing costs and disruption.

Do you install green roofs?

Yes – we provide Bauder or bespoke green roof installations (sedum, biodiverse or intensive) on existing or new warm roof systems.

Associations & Accreditations

Industry-Backed, Quality-Assured

Looking for Expert Flat Roofing Contractors?

Let’s talk about your flat roofing project – whether it’s a full replacement, warm roof upgrade or reactive refurbishment.

Request a Quote

or Call us now

020 8657 0734

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