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DM36 - 150mm ID x 500mm high access flue block
National Flues proudly presents the DM36 - 150mm ID x 500mm high access flue block, an essential component of the Isokern DM system. Engineered from premium pumice for outstanding insulation, this flue block is perfect for homeowners and professionals who demand high efficiency in their chimney syst... More...
National Flues proudly presents the DM36 - 150mm ID x 500mm high access flue block, an essential component of the Isokern DM system. Engineered from premium pumice for outstanding insulation, this flue block is perfect for homeowners and professionals who demand high efficiency in their chimney systems. Whether you’re installing a new stove, insert, or open fire, the DM36 ensures optimal performance and safety, making it a top choice among flue block solutions in the UK. Less...
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At a Glance
Durable double wall construction
High-performance pumice insulation
Designed for excellent heat retention
150mm inner diameter and 500mm height
177mm access hole for ease of maintenance
HETAS approved and CE marked for safety
Now only
£74.49
Including VAT
Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.
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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.
The DM36 - 150mm ID x 500mm high access flue block is an exceptional component of the Isokern DM block system. This high-quality system chimney features a double wall construction that cleverly maintains flue gas temperatures while preventing heat transfer to the outer casing. Thanks to its innovative design, which separates the inner and outer components, the DM36 allows for thermal movement, significantly reducing the risks of cracking, leaks, and stains.Constructed from pumice, a natural insulator, the DM36 has unique properties that enable quick attainment of optimum flue gas temperatures, enhancing the performance of heating appliances like inserts, stoves, open fires, and cookers using wood, solid fuel, oil, or gas (excluding condensing appliances such as Biomass and Pellets).
Pumice's insulating abilities also keep the chimney warmer for longer, aiding consistent performance and reducing condensation and soot build-up.The Isokern DM system is HETAS approved and CE marked, boasting a designation number: T450 N1 D 3 G(00). The DM system is available in three outer casing sizes—DM36, DM44, and DM54—providing flexible solutions for various installations. For detailed installation instructions, please refer to our comprehensive guides.
SKU: 59-126368
Technical Specifications
Inner Diameter
150mm
Outer Dimensions
255 x 255mm
Access Hole
177mm ID
Height
500mm
Material
Pumice
Warranty
10 Years
Designations
EN1858 - T450 N1 D 3 G(00) (DM System), EN1857 - T600 N2 D 3 G (Liner System)
Distance To Combustibles
0mm on straights; 38mm on offsets (DM System)
Certifications
HETAS approved, CE marked
Before installation, please consult the comprehensive installation guide provided with your DM system. Ensure that the flue block is installed on a suitable surface with adequate clearance as per the manufacturer's recommendations. Follow these key steps:
1. Verify the dimensions and clearance requirements;
2. Secure the DM36 access flue block in position ensuring proper alignment with the chimney system;
3. Use recommended fixings and sealants to prevent movement and potential leakage;
4. Conduct a thorough inspection post-installation for any gaps or misalignments;
5. Regularly schedule maintenance checks in line with safety guidelines.
Warning: Do not attempt modifications without professional assistance. Always adhere to local building regulations and safety standards.
The DM36 access flue block is used in the construction of chimney systems to maintain flue gas temperatures and prevent heat transfer, ensuring efficient operation of heating appliances.
The DM36 is suitable for use with inserts, stoves, open fires, and cookers burning wood, solid fuel, oil, or gas. It is not suitable for condensing appliances including Biomass and Pellets.
Pumice is a natural insulator which helps quickly reach optimum flue gas temperatures, enhancing the performance of the heating appliance. It also maintains chimney warmth, reducing condensation and soot build-up.
Yes, the DM36 is HETAS approved and CE marked, ensuring it meets high safety and performance standards.
The DM36 access flue block has an inner diameter of 150mm, an outer dimension of 255×255mm, and a height of 500mm with a 177mm ID access hole.
The double wall system helps maintain the flue gas temperatures while preventing heat transfer to the outer casing. This design also allows for thermal movement, reducing the risk of cracks, leaks, and stains.
Installation instructions for the DM36 can be found in our comprehensive guides, which provide detailed steps and considerations for a successful installation.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Thursday, April 3rd.
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. If you find it cheaper within 48 hours, we'll refund the difference.
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Read our buyers guide for this DM36 - 150mm ID x 500mm high access flue block
Comprehensive Buyers Guide for the DM36 Access Flue Block
The DM36 - 150mm ID x 500mm high access flue block is a state-of-the-art solution for modern chimney systems. Designed with both durability and efficiency in mind, this premium product is ideal for a range of heating appliances and installations. Below, we provide an in-depth guide to help you understand the benefits, installation process, and additional considerations when choosing the DM36.
Overview and Key Features
The DM36 flue block is constructed using robust double wall technology that separates the inner flue from the outer casing. This design is crucial in minimising heat loss while ensuring that the external surface remains cool to the touch. Key features include:
• A 150mm inner diameter that perfectly suits contemporary heating appliances such as stoves, inserts, open fires, and cookers.
• A 500mm high design providing ample space for the flue gases to rise and disperse efficiently.
• A 177mm access hole that not only simplifies maintenance but also enhances safety by offering easy inspection points.
• High-quality pumice material that delivers excellent insulation properties, ensuring the chimney maintains optimum temperature for improved efficiency.
• Certification through HETAS and CE marking, which assures you of a product that meets stringent UK building and safety standards.
Benefits of the DM36 Flue Block
There are numerous advantages to choosing the DM36, making it an excellent investment for both residential and commercial installations.
Energy Efficiency: The innovative double wall construction and natural insulating properties of pumice enable the quick attainment of optimum flue gas temperatures, which in turn promotes efficient heating performance and energy conservation.
Safety and Compliance: With key certifications like HETAS approval and CE marking, you can be confident that your chimney system is built to the highest standards. The clear separation of heat across the walls also reduces the risk of accidental burns or heat damage to nearby combustible materials.
Ease of Maintenance: The high access design, featuring a large 177mm diameter access hole, makes routine checks and cleaning effortless. This easy access helps prevent soot build-up and condensation, prolonging the overall life of the chimney system.
Adaptable to Various Installations: The DM36 is suitable for a wide range of heating appliances and fuels. Whether you are using wood, solid fuel, oil, or gas, this flue block is engineered to perform reliably without the complications associated with condensing systems such as biomass or pellets.
Installation Process and Considerations
Installing the DM36 requires meticulous planning and adherence to recommended procedures. Here are some essential steps and tips that will assist you during installation:
1. Pre-installation Checks: Prior to installation, thoroughly assess the installation area to ensure there is adequate clearance from any combustibles. Remember, the design mentions a distance of 0mm on straights and 38mm on offsets for DM systems.
2. Follow the Comprehensive Guide: National Flues provides an exhaustive installation guide that illustrates every step in the installation process. This guide includes detailed diagrams, safety notes, and tips for achieving a precise fit.
3. Secure Mounting: After measuring and confirming the correct dimensions, securely fix the flue block in place, ensuring the double wall remains intact and aligned. It is imperative to use the correct fixings and sealants recommended by the manufacturer.
4. Post-installation Inspection: Upon completion of the installation, conduct a careful inspection to verify the integrity of the fit. Check for any gaps or misalignments that could potentially compromise the flue’s performance.
5. Maintenance Routine: Schedule regular maintenance checks to clean the access hole and inspect the internal components. This routine ensures that your DM36 continues to operate at its peak performance over time.
Addressing Common Objections
Potential buyers may wonder about the compatibility and longevity of the DM36. Here are some common issues and clear answers:
Q: Is the DM36 suitable for high-performance heating appliances?
A: Yes, its design is optimised for efficient heating, making it ideal for stoves, inserts, open fires and cookers that use various fuel sources.
Q: How does the flue block handle thermal expansion?
A: The innovative double wall design accommodates thermal movement, which significantly reduces the risk of cracks or leaks, ensuring long-term durability.
Q: What makes pumice a reliable material for this product?
A: Pumice is renowned for its natural insulation properties, enabling the DM36 to maintain steady temperatures and improve overall energy efficiency. Additionally, pumice reduces condensation and soot build-up, contributing to the longevity of your chimney system.
Q: Can I upgrade my chimney system with additional accessories?
A: Absolutely. Consider exploring our range of optional accessories that complement the DM36. Accessories such as additional flue liners, mechanical fixings, and maintenance tools can optimise your installation and ensure you receive the full benefit of the system.
Optional Accessories and Integration
While the DM36 is a complete solution on its own, the installation can be further enhanced with optional accessories. These may include:
• Additional flue liners for extended reach or backup support.
• Customised chimney caps to prevent the ingress of external elements.
• Maintenance tools that simplify the cleaning process during routine inspections.
We encourage you to browse our accessory range to ensure that every component of your flue system is perfectly matched for efficiency and reliability.
Conclusion
For anyone looking to modernise their heating system, the DM36 access flue block from National Flues is a superb choice. Its robust construction, ease of maintenance, and energy-efficient design make it an ideal solution for maintaining optimal flue gas temperatures while ensuring safety. With a focus on quality, compliance, and simplicity, the DM36 is perfectly engineered to meet the demands of today's heating systems.
When investing in quality chimney components, consider both immediate benefits and long-term performance. The DM36 not only meets, but often exceeds, performance expectations, thereby safeguarding your investment in your home or business.
Make an informed choice by considering the insulation, durability, and ease of installation that the DM36 offers. Equipped with industry-leading standards, this flue block is designed to offer you peace of mind through its certified safety credentials and longevity.
For professionals and DIY enthusiasts alike, proper installation and regular maintenance are key. With comprehensive guides and optional accessory recommendations, National Flues ensures that you have all the information to achieve a successful installation.
Experience the perfect blend of innovation, reliability, and performance with the DM36 access flue block. Enhance your installation today by embracing a product that truly stands out in terms of quality and engineering excellence.
Add to your cart or call 01670 206 999.
National Flues Ltd Verdict
The DM36 access flue block is a top-tier choice for anyone seeking durability and efficiency. With nationwide delivery and competitive pricing, National Flues is proud to supply this high-quality product to both retail and trade customers.
The DM36 access flue block is designed to be part of a chimney system that efficiently manages flue gas temperatures and prevents heat transfer for optimal heating appliance performance.
Isokern is a reputable brand known for its high-quality chimney systems, utilizing natural insulator materials like pumice to enhance performance and safety. National Flues is proud to supply these premium products to customers across the UK.
Secure your DM36 flue block today for unmatched performance and safety—order now!
