What defines our service
Modern single-ply systems
Advanced flat roofing materials designed for reliable protection.
Low-maintenance solutions
Roofing systems built for long-term performance with minimal upkeep.
​Reliable repairs and replacements
Professional flat roof repair and replacement services available.
Flat roofing built for Welsh weather
We know how unpredictable weather can be, so we build flat roofing systems designed to handle it all. Our team at Alliance Roofing installs and repairs flat roofs using materials like single ply, felt, GRP fibreglass, and EPDM rubber, all chosen for their lasting strength and resilience. We also carry out chimney repairs to help protect your roof structure and prevent further weather-related damage. You get a roof that keeps the rain out, stands up to wind, and stays good-looking with very little upkeep. We work on homes, garages, extensions, and offices, always making sure you have the ideal fit for your needs. With our free quotes and straightforward advice, your flat roofing project is stress-free from start to finish. With us, you get flat roofing you can rely on.
Expert flat roof installations and repairs
Our flat roofing services cover new installations, full replacements, and repairs for leaks or weather-damaged areas. We use only high-quality materials for every job, whether you are updating a garage roof or replacing an outdated commercial system. Our experience means we spot issues quickly and offer practical solutions, from seamless waterproof finishes to modern single-ply membranes. Each project is carefully planned around your property and budget, ensuring results that last. You can expect competitive pricing and a tidy finish every time.​
Why flat roofing is a smart choice
At Alliance Roofing, flat roofs are ideal for mixed-use spaces, offering practical solutions for garages, extensions, and business properties. With modern materials like EPDM and fibreglass, you get fewer leaks and less hassle over time. Flat roofs are cost-effective to install and maintain, making them a popular choice for both new builds and refurbishments. Their simple lines complement any architecture and create usable space above small buildings or outbuildings.
