
JMJ Roofline provides professional flat roofing services in Carrickfergus, specialising in the installation and repair of durable 3-layer bitumen flat roof systems. Our flat roofing solutions are designed to deliver long-term weather protection and reliable performance for residential properties.
Flat roofs require correct preparation and installation to prevent leaks and premature failure. We take a careful, methodical approach to every project, ensuring each layer is installed correctly to create a strong, watertight finish built to withstand Northern Ireland weather conditions.
Whether you need a new flat roof installed or an existing roof repaired, JMJ Roofline delivers dependable workmanship with clear communication from start to finish.
Our flat roofing service focuses on creating a long-lasting, watertight finish that protects your property. Each installation follows a structured process, from inspection and preparation through to layered installation and final detailing.
We work on flat roofs for extensions, garages, porches and dormers, ensuring a neat, professional finish that integrates correctly with existing roof structures
Flat Roofing Services We Provide
Installation of 3-layer bitumen flat roofs for extensions, garages and other flat roof areas.
Repairing leaks, damaged sections and wear issues to restore roof integrity.
Removal of failing flat roofs and replacement with modern bitumen systems.
Addressing early signs of wear to extend the lifespan of your flat roof.
We take pride in our reputation for quality workmanship, reliability and honest service. Customer feedback reflects our commitment to delivering roofing and roofline work completed to a high standard.
Below are answers to some of the most common questions we receive. If you need further information, our team is always happy to help.
We specialise in 3-layer bitumen flat roofing systems designed for long-term durability and weather resistance.
We provide flat roofing services across Carrickfergus and the surrounding areas including Newtownabbey, Ballyclare, Larne, Antrim, Glengormley, East Belfast, Templepatrick, Greenisland, Whitehead, Monkstown, Jordanstown and Doagh.
Yes, we carry out both flat roof repairs and full flat roof replacements depending on the condition of the roof.
Yes, flat roofing work is often completed alongside roof repairs, fascia and guttering upgrades or chimney maintenance.
Yes, scaffolding can be provided where required to allow safe and efficient access.
We offer specialist installation, honest advice, safe access solutions and flat roofing systems built to last

Have questions or ready to arrange a quote? Complete the form below and our team will get back to you as soon as possible.
Carrickfergus,
Northern Ireland
Mon-Fri: 8:00 AM - 5:00 PM
Sat-Sun: Closed
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