× National Flues
We Won't Be Beaten On Price.
Free Delivery on Orders Over £100
100% 5 Star Reviews on Trustpilot
Free Flue Design Service Available
Need Help? 01670 206999 (8am-5pm)

DM54 - 800mm square corbel for brickwork (59-130735)

Discover the DM54 - 800mm Square Corbel for Brickwork by Isokern, a premium solution engineered from high-quality pumice. This innovative chimney support system is designed to enhance thermal performance and durability. Perfect for wood-burning stoves, solid fuel cookers and oil or gas appliances (excluding condensing models), the DM54 ensures efficient operation while meeting rigorous UK safety standards. Enhance your chimney system’s performance and safety with this reliable DM block system, and explore optional accessories to further tailor your installation.
Hover to Zoom / Click for Gallery
£116.99
with free delivery Give us a call if you find it cheaper and we'll try to price match.

 

Payment Options

At a Glance

  • Constructed from natural pumice for excellent thermal insulation
  • HETAS approved and CE marked for safety and quality
  • Modular design offering ease of installation
  • Tailored for a variety of heating appliances including wood-burning stoves, solid fuel cookers, oil and gas appliances (excluding condensing models)
  • Reliable performance with a 10-year warranty

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

We Won't Be Beaten On Price

At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
  • Operational Efficiency: We have streamlined processes to reduce overhead.

Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

Have Questions?
Phone: 01670 206999
Email: [email protected]

The DM54 - 800mm square corbel from Isokern is designed to offer a high-quality and efficient solution for your chimney system needs. This double module block system maintains flue gas temperatures consistently while preventing heat transference to the outer casing. The unique separation of inner and outer components allows for thermal movement, reducing risks of cracking and leaks.

Available in three sizes—DM36, DM44, and DM54—this system is suitable for a range of applications including wood-burning stoves, solid fuel cookers, oil and gas appliances (excluding condensing models). The natural insulating properties of pumice make this product exceptionally efficient. By rapidly achieving and maintaining optimum temperature, it supports the peak performance of your heating appliance and minimises condensation and soot build-up.

With HETAS approval and CE marking, the DM54 assures safety and quality. Installation is straightforward with provided guides.

SKU: 59-130735

Technical Specifications
Dimensions800mm square, 75mm height
MaterialPumice
ApprovalsHETAS approved, CE marked
CompatibilityWood-burning stoves, solid fuel cookers, oil/gas appliances (excluding condensing models)
System TypesDM36, DM44, DM54
Warranty10 years
Distance To Combustibles0 on straights; 38mm on offsets for DM System
The installation process for the DM54 is designed with simplicity in mind. Follow the comprehensive installation guide provided to ensure correct placement and alignment. Key steps include: • Verifying the clearance from combustible materials (0 on straights, 38mm on offsets). • Ensuring the proper separation between the inner and outer components to allow for thermal movement. • Aligning the modular components accurately to avoid any potential issues during operation. Always double-check measurements and consult with a professional if uncertain, to guarantee optimal performance and safety.

The DM54 is made from high-quality pumice which acts as a natural insulator.

The DM54 is suitable for wood-burning stoves, solid fuel appliances, oil, and gas (excluding condensing appliances like biomass and pellets).

The installation of the DM54 is relatively simple and quick, thanks to its modular design and included instruction guides.

The DM54 is HETAS approved and has a CE marking, ensuring it meets high safety and quality standards.

Yes, the insulating properties of pumice help maintain the chimney's temperature, reducing condensation and soot build-up.

The Isokern DM block system is available in three sizes: DM36, DM44, and DM54.

Yes, National Flues provides reliable nationwide delivery for both retail and trade customers.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. If you need faster stove or fireplace delivery please give us a call. We can often reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

Warranty & Returns +

All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Price Match Guarantee +

We will match any price like for like on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our DM54 - 800mm square corbel for brickwork buyers guide

Compatible and other products that may be of interest...

Secure your DM54 now for unbeatable thermal efficiency and robustness in your chimney system.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal