Commercial Flat Roof Specialists

Complete flat roof repairs, replacement and installation for commercial properties. All systems including felt, single ply and liquid applied.

★★★★★ 5.0 Rating
✓ Rapid Response ✓ 20 Year Warranties ✓ CHAS Accredited

Flat Roofing

Commercial Flat Roofing Systems Built for Performance

Protect your commercial property with professional flat roofing designed for warehouses, factories, and industrial buildings. We install single ply membranes, asphalt, liquid applied systems, and built-up felt systems engineered for large-scale applications. Our direct-employed teams deliver minimal disruption installations, emergency repairs, and planned maintenance programs. Every roof comes with 20-year warranties and is built to handle heavy traffic, plant equipment, and extreme weather conditions across London and Essex.

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Systems We Install

Commercial Flat Roof Systems We Install

Single ply membranes

High-performance TPO and PVC membrane systems for commercial flat roofs. Sika and Soprema approved installers delivering fast installation with minimal disruption to operations. Ideal for warehouses and industrial facilities requiring long-term waterproofing.

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Built-up felt systems

Multi-layer torch-on felt roofing providing robust protection for commercial buildings. Cost-effective solution for large roof areas with proven durability. Suitable for high-traffic roofs and heavy equipment loads.

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Liquid applied systems

Seamless waterproofing for complex roof details and refurbishments. Kemper System and Alsan approved contractors. Perfect for areas with multiple penetrations, plant equipment, or where traditional systems can't be installed.

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Traditional asphalt roofs

Traditional mastic asphalt roofing offering exceptional waterproofing and longevity. Ideal for flat roofs requiring pedestrian access or supporting rooftop equipment. Heat-bonded application creates seamless, durable surface for commercial properties.

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Ready to get to work on your next project?

If you have a roofing project or requirement that you would like to discuss with our team, please get in touch today.

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Client Testimonials

Let our clients convince you

Exall were the only company to call me back when half our roof fell off in the recent storm. In horrible conditions they came and make the house safe and were back two days later to fit a new roof for us. Throughout the ins...

Andy H
Customer

We called in Exall after a freak storm ripped part of our roof away. They came out over the weekend and did some emergency work, returning to fully repair our roof. The staff were fast and efficient and I wouldn't have a pr...

Colour Sound Experiment
Company

This was the first time we used Exall Group on one of our projects in east London. It has been a pleasure working them there approach is professional and exact .The work was carried out in a very tidy manner and we shall be...

Cory Environmental Waste
Company

I contacted Exall to do an electronic leak detection test and inspection on my box gutter following work done by another roofer. They produced a very thorough report with photographic evidence showing the extent of the poor...

Margaret R
Private Customer

We needed to install a roof that was leaking and in a very bad condition. Dave visited the site for an inspection on the same day of the initial phone call. We found Brad and the entire team very professional with a solid w...

Remark!
Company

COMPANIES THAT WE WORK WITH

BMW
University of Hertfordshire
Tesla
Pimlico Plumbers
Waitrose
NHS
Toolstation
University of Essex
Dell
BMW
University of Hertfordshire
Tesla
Pimlico Plumbers
Waitrose
NHS
Toolstation
University of Essex
Dell
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Call the team 0800 255 0325

Get a Fast Response

Tell us what you need and we'll respond within 2 hours — or call us now on 0800 255 0325.

Services

Metal Roofing

Flat Roofing

Roof Surveys & Leak Testing

General Maintenance

Projects

Metal Roofing

Flat Roofing

Slate Roofing