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Top Plate - Ø 150 (20-150-P)
The National Flues Top Plate - Ø 150 is a premium accessory designed to provide robust support for MI-FLEX 316 and 904 flexible flue liners. Ideal for modern chimneys, this top plate blends durability with precision engineering, ensuring optimal performance and safety. Enhance your chimney system with this superior, high-temperature resistant, natural/stainless steel accessory that complies with British Building Regulations.
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In Stock
£10.99
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Robust construction crafted from galvanised materials for long-lasting durability
Meets Building Regulations Document J for secure chimney installations
Designed for MI-FLEX 316 and 904 flexible flue liners
Withstands high temperatures up to 600°C (T600 designation)
Compatible with Top Clamp and Top Insert Sleeve accessories for complete system support
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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 Top Plate Ø 150 is a crucial accessory from the MF20 MI-FLEX range, specifically crafted for use with MI-FLEX 316 and 904 flexible flue liners. This top plate, measuring at a robust 400mm square, plays an integral role in the structural integrity of your chimney system, supporting the vertical (dead) weight of the flue liner. Designed in accordance with Building Regulations Document J, it ensures that your flexible flue liner is fully enclosed within a masonry chimney, thus maintaining optimum safety and performance.
Suitable for high-temperature environments, the Top Plate Ø 150 can withstand temperatures up to 600°C (T600 designation), making it ideal for use with wood, smokeless coal, gas, and oil appliances.
It pairs seamlessly with the Top Clamp and Top Insert Sleeve to provide comprehensive support at the top of the stack.
Maintenance is straightforward with the Top Plate Ø 150. The chimney system's design facilitates easy cleaning and inspection, minimizing downtime and prolonging the lifespan of your appliance and flue system. It's recommended that chimneys servicing solid fuel appliances be swept at least twice a year to prevent blockages and build-up.
Always use HETAS registered sweeps and avoid chemical cleaners and mild steel tools to maintain the integrity of your system.
SKU: 20-150-P
Technical Specifications
Dimensions
400mm square
Material
GALV
Colour Finish
Natural / Stainless Steel
Temperature Rating
Up to 600°C (T600)
System Compatibility
MI-FLEX 316 & 904 Flexible Flue Liners
Fuel Compatibility
Wood, Oil, Gas, Smokeless Coal
Approvals
HETAS / CE
Additional Accessories
Compatible with Top Clamp and Top Insert Sleeve
• Installation should be undertaken by a competent professional in accordance with the manufacturer’s guidelines
• Ensure the Top Plate - Ø 150 is used in tandem with the Top Clamp and Top Insert Sleeve for optimal performance
• Strictly adhere to Building Regulations Document J to guarantee safe and compliant installation
• Regularly inspect and clean chimney systems, with recommended sweeping intervals: twice a year for solid fuel appliances and once a year for others
• Do not use chemical cleaners or mild steel tools to avoid compromising the integrity of the system
The Top Plate Ø 150 is used to support the vertical weight of MI-FLEX 316 and 904 flexible flue liners at the top of the chimney stack.
Yes, the Top Plate Ø 150 is suitable for use with solid fuel appliances, such as wood and smokeless coal, as well as gas and oil appliances.
The Top Plate Ø 150 measures 400mm square.
Yes, the Top Plate Ø 150 complies with Building Regulations Document J, ensuring that the flexible flue liner is fully enclosed within a masonry chimney.
Chimneys using the Top Plate Ø 150 should be cleaned at least twice a year if serving solid fuel appliances and at least once a year for other fuels.
Yes, the Top Plate Ø 150 can withstand temperatures up to 600°C (T600 designation).
Regular sweeping and inspection by a competent person is recommended to maintain the system's integrity, avoiding chemical cleaners and mild steel tools.
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 Top Plate - Ø 150 buyers guide
Comprehensive Buyers Guide for the Top Plate - Ø 150
The Top Plate - Ø 150 from National Flues is an essential component for any homeowner or professional installer seeking a secure and reliable chimney system. This guide provides detailed insights into why this accessory is the perfect choice for supporting your MI-FLEX 316 and 904 flexible flue liners. With our clear explanations, you’ll understand its design, benefits, and installation procedures, ensuring that your chimney system remains both safe and efficient.
Understanding the Product
The Top Plate - Ø 150 is meticulously engineered to support the vertical weight (dead load) of flexible flue liners at the top of your chimney. With dimensions of 400mm square, it is designed to integrate seamlessly with the overall chimney structure. Constructed from high-quality galvanised materials, it not only delivers exceptional durability but also contributes to a natural and elegant look. The natural/stainless steel finish ensures a timeless aesthetic, making it suitable for both modern and traditional settings.
Key Benefits
Robust and Durable:
- The galvanised construction means that the Top Plate can withstand the harsh conditions typically encountered in chimney setups, including high temperatures and weather extremes.
Compliance with Regulations:
- Meeting the standards set out in Building Regulations Document J, it guarantees that your chimney installation adheres to the latest safety protocols.
High Temperature Tolerance:
- With a maximum tolerance of 600°C, this product is ideal for use with various fuel types such as wood, smokeless coal, gas, and oil. This versatility ensures that your heating system is always operating optimally without risking damage from heat exposure.
System Compatibility:
- Specifically designed for MI-FLEX 316 and 904 flue liners, it ensures a fit that promotes both safety and efficiency. The compatibility with additional accessories like the Top Clamp and Top Insert Sleeve completes the installation, providing a holistic support solution.
Addressing Common Objections
Is it compatible with my existing chimney system?
- Yes, the design of the Top Plate - Ø 150 is tailored to work with MI-FLEX flexible flue liners, ensuring a perfect fit in systems that require stringent safety and performance standards.
What fuel types is it suitable for?
- The Top Plate is versatile. It is compatible with wood, smokeless coal, gas, and oil appliances. This makes it an ideal choice for a range of heating systems without the need to purchase separate support components.
How often should the chimney be serviced?
- Regular maintenance is crucial. For chimneys serving solid fuel appliances, sweeping should be done at least twice a year, while other systems should be serviced annually. This routine helps in keeping the system safe, efficient, and prolonging the lifespan of all components, including the Top Plate - Ø 150.
Is professional installation necessary?
- Absolutely. Given the technical nature of chimney installations and the importance of safety, it is highly recommended that you engage a qualified professional to install the Top Plate. This guarantees that all components, including complementary accessories like the Top Clamp and Top Insert Sleeve, are fitted securely and correctly.
Installation Best Practices
When installing the Top Plate - Ø 150, be sure to adhere to the following steps:
1. Preparation: Ensure all components are available and that the installation site is clean and clear of debris. Review the design and installation instructions carefully.
2. Assessment: Confirm that the chimney system is compliant with the latest Building Regulations Document J. Any previous installations should be inspected and, if necessary, serviced before proceeding.
3. Installation: Fit the Top Plate in line with the flue liner, using the designated Top Clamp and Top Insert Sleeve. Secure all connections to guarantee stability and load distribution.
4. Inspection: After installation, conduct a thorough inspection to ensure everything is correctly fitted. Regular follow-up inspections and cleanings are essential to maintain the system’s integrity.
Why Choose National Flues
National Flues has built an outstanding reputation as a leading supplier in the UK, offering unbeatable prices and reliable, nationwide delivery. Our products are designed with precision to meet both the technical and aesthetic demands of modern chimney systems. With decades of industry experience, you can trust that every component, from accessories to key installation aids, meets the highest standards of quality and safety.
Our Top Plate - Ø 150 is a testament to our commitment to excellence. It not only supports the structural integrity of your chimney but also enhances its overall performance, ensuring a safer and more efficient heating solution. The seamless integration with other accessories further simplifies installation, providing you peace of mind and long-term reliability.
Final Considerations
When choosing a Top Plate, the key is to balance quality, compliance, and compatibility. Our product does all of this and more by providing a robust, durable, and aesthetically pleasing solution that caters to both residential and commercial needs. Whether you’re planning a complete chimney installation or upgrading an existing system, the Top Plate - Ø 150 offers all the features needed to enhance safety and performance.
Carefully consider your system’s needs and choose a product that has been engineered with your long-term peace of mind in mind. With National Flues, you are not just buying a product; you are investing in reliability, performance, and unmatched customer service.
Add to cart now or call 01670 206 999.
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