Our roofing systems are perfect for a variety of structures, such as garages, dormers, porches, extensions, and bay windows.
In addition to flat roofing, we provide maintenance services for pitched roofs, including slating and tiling repairs, repointing, and the supply and installation of roofline products like uPVC fascia boards, soffits, guttering, and verge capping systems.
As Bournemouth’s leading installer of EPDM rubber flat roofing, we have built a large portfolio of happy customers who can vouch for the quality of our work.



New Roofs & Roof Repair Services You Can Rely On
KNJ Roofing provides top-quality GRP fibreglass flat roofs and Firestone EPDM rubber roofs, offering durability far beyond traditional felt roofing. From decking to surface finishes, we can even install flat roofs designed to handle regular foot traffic. No project is too large or small, and every job is completed to the highest standards by our experienced team of flat roofing professionals in Bournemouth. We’re ready to take your call!
Bournemouth’s Flat Roof Specialists
As flat roofing specialists, KNJ Roofing installs modern, high-performance flat roof systems. Our GRP fibreglass and Firestone EPDM rubber roofing solutions significantly outlast traditional felt roofs, providing exceptional longevity and reliability.
Tailored Flat Roof Options
At KNJ Roofing, we offer two main flat roof solutions, catering to your budget and aesthetic requirements. Whether it’s a small bay window or a large commercial property, we’ve got you covered. If your flat roof is cracked, leaking, blistered, or otherwise damaged, our expert team will assess the issue and deliver a long-lasting solution. With premium materials and meticulous workmanship, we ensure a weatherproof and durable flat roof for your property.
Local Flat Roofing Solutions
GRP Fibreglass Flat Roof
Professionally installed GRP fibreglass flat roofs can last over 30 years with no deterioration. Known for its seamless, 100% waterproof properties, GRP fibreglass is widely used in boat construction, making it an excellent choice for flat roofs. Its robust and water-resistant qualities make it suitable for any size of flat roof, from residential homes to commercial properties.
KNJ Roofing has been providing GRP fibreglass roofing services across Bournemouth and nearby areas for many years. Whether you need a minor repair or a full installation, our skilled team can handle the job efficiently and professionally.
Firestone EPDM Rubber Roofing
KNJ Roofing is proud to be a Firestone-approved installer. Firestone EPDM is a premium rubber membrane designed for flat roofing, with an impressive lifespan of over 40 years and a 20-year manufacturer’s guarantee. Its durable surface resists scratches, tears, and damage from UV rays, making it ideal for both domestic and commercial properties.
Our knowledgeable team can advise you on the best option for your flat roof and provide a no-obligation quote tailored to your needs.