DM54 - 300mm ID x 300mm high flue block
In Stock
The DM54 - 300mm ID x 300mm high flue block is engineered for excellence. With a compact 420 x 420 exterior, it fits effortlessly into your chimney construction, ensuring steadfast performance and reliability.
£54.99 incl VAT
- Description
- Product Details
The DM54 300mm ID x 300mm high flue block, part of our premium Isokern DM range, is a top-of-the-line System Chimney designed with durability and performance in mind. Crafted from natural pumice, this dual-module system ensures optimal flue gas temperatures while mitigating exterior heat transfer. Its double wall construction effectively supports thermal movement, reducing cracking and leakage. Ideal for stoves, inserts, open fires, and various cookers burning wood, solid fuel, oil, and gas (excluding condensing appliances). With rapid and straightforward assembly, it's a builder's favorite. The DM54 is available in three sizes for tailored installation: DM36, DM44, and DM54. Trust in its HETAS approval and CE marking for safe, high-performance operation. Experience the superior insulating properties of pumice, ensuring quick heating and long-lasting warmth while minimising condensation and soot build-up.
- SKU: 59-129033
- Item: DM54 - 300mm ID x 300mm high flue block
- Designation DM System:: EN1858 - T450 N1 D 3 G(00)
- Designation Liner System:: EN1857 - T600 N2 D 3 G
- Warranty:: 10 Years
- Material: Pumice
- Distance to Combustibles:: 0 on straights; 38mm on offsets on DM System
What is it for?
The DM54 flue block is designed to efficiently channel flue gases from various heating appliances, ensuring safe and optimal performance.
Brand Summary
National Flues is a leading supplier of high-quality fireplaces and flues across the UK, known for our unbeatable prices and reliable nationwide delivery. We proudly serve both retail and trade customers with top-notch products and services.
National Flues Verdict
The DM54 - 300mm ID x 300mm high flue block stands out for quality and reliability. Perfect for various heating appliances and built to last. With our unbeatable prices and dependable delivery nationwide, it's an excellent choice for both retail and trade customers.
9.7/10

