Ultraflex is not just a flue liner
Ultraflex is meticulously Designed & Manufactured in the UK
 
At FSM, we've invested years in rigorous research, development, and meticulous product testing to create the perfect combination of quality and durability. We never compromise on excellence, and we're confident that Ultraflex will surpass your expectations.

Our Ultraflex liners boast stainless steel twin-lined grade 1, 0.12mm quality in 316 or 904, meeting the highest standards. Designed to endure high temperatures and resist corrosion, they're a testament to uncompromising quality and craftsmanship.

But Ultraflex is more than just a flue liner - it's a comprehensive solution. We stock a diverse range of top-quality components for easy and efficient liner installation. Tailored to meet your unique installation needs, our components stand up to the highest standards of excellence.
 
The Ultraflex brand includes:

• Flexible Chimney Flue Liner
• Flue / Chimney Adaptors
• Register Plates
• Supports
• Terminals
• Cowls

Our technical team is ready and willing to help you find exactly the right chimney liner and parts for your installations. Call us on 0344 800 6586 (Monday - Friday 9am to 5pm) or Register For A Trade Account. Our trade centre enables you to access trade prices, news updates, special promotions and gives you priority delivery with same day despatch when you order before 4pm.