We use cookies to ensure a smooth, secure, and ever-improving experience on our website. By continuing to browse, you agree to our use of cookies as detailed in our Cookie Policy. Enjoy your visit and let us now if you need any help!
Cookie Preferences
We use different types of cookies for various purposes. Please select which you allow:
Wall Sleeve - Ø 100 (15-100-098)
National Flues presents the Wall Sleeve - Ø 100, a premium chimney flue protection solution designed for UK homes and commercial installations. This high-quality stainless steel wall sleeve is engineered to meet CE and HETAS standards, ensuring robust performance for wood, oil, gas, and low sulphur coal appliances. Ideal for both new builds and retrofits, this product offers reliable insulation and safety benefits, making it a preferred choice among homeowners and professionals alike.
Hover to Zoom / Click for Gallery
In Stock
£24.49
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Premium 304/316 stainless steel construction for long-lasting durability
Complies with CE and HETAS safety standards
Suitable for wood, oil, gas, and low sulphur coal appliances
Easy installation with a secure Locking Band
Versatile design ideal for straight or 45° tapered wall installations
Efficient Rockwool insulation to maintain safe clearances
×
Email Product
Enter your email address to send the product details:
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 Wall Sleeve - Ø 100 is a premium component designed to safeguard your chimney flue system during wall passage. Suitable for solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, and boilers, this wall sleeve is constructed with an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both 0.4mm thick. The insulation comprises compressed rockwool at a density of 200kg/m3 TWPro and 128Kg/m3 KC.
Fully welded for durability, it maintains an essential 50mm distance from combustibles in TWPro and 60mm in KC applications. CE marked and HETAS approved, it meets the stringent standards EN1856-1 T600 N1 W V2 L50040 G50 and more. Installation is streamlined via a Locking Band, ensuring secure assembly.
For those installing through an exterior wall at 45 degrees, taper-cutting the sleeve ensures a flush fit, easily achieved with a grinder or hacksaw. Fill the gap between the flue and sleeve with Rockwool for optimal protection.
• Ensure a minimum clearance of 50mm for TWPro systems or 60mm for KC systems between the flue and any combustible materials.
• Install using the provided Locking Band to secure the Wall Sleeve around the flue, ensuring an even and secure fit.
• For installations through an exterior wall where the passage is at 45°, taper-cut the sleeve for a flush finish. This can be achieved using a grinder or hacksaw.
• Once in place, fill the gap between the flue and sleeve with Rockwool insulation for optimal thermal protection.
• Always double-check measurements during installation to comply with safety standards and maintain the recommended spacing.
The Wall Sleeve - Ø 100 is used to protect the chimney flue as it passes through exterior walls, reducing risk of heat damage to the wall structure.
Yes, the Wall Sleeve is suitable for solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and boilers.
The Wall Sleeve is constructed from 304 grade stainless steel for the outer skin, and 316 grade stainless steel for the inner skin, both being 0.4mm thick. It also contains high-density compressed rockwool insulation.
A distance of 50mm is required for TWPro systems and 60mm for KC systems between the flue and any combustibles such as wood or plasterboard.
Yes, the Wall Sleeve is CE marked and HETAS approved, complying with standards such as EN1856-1 T600 N1 W V2 L50040 G50.
The Wall Sleeve is installed with a Locking Band that securely connects to the chimney flue. Ensure to maintain the recommended distance from combustibles during installation.
Yes, if you need to pass the flue through the wall at a 45-degree angle, you can taper-cut the sleeve using a grinder or hacksaw to fit flush in the wall.
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.
The Wall Sleeve - Ø 100 by National Flues is an essential component for anyone seeking robust protection for their chimney flue system when passing through external walls. This comprehensive guide will provide you with all the information needed to make an informed decision about incorporating this high-quality product into your heating system. Whether you’re a professional installer or a DIY enthusiast, understanding the benefits, installation process, and safety standards is critical for ensuring the longevity and efficiency of your chimney setup.
Product Overview
The Wall Sleeve - Ø 100 is constructed with an outer layer of 304 stainless steel and an inner layer of 316L stainless steel, both strategically chosen for their exceptional durability and resistance to corrosion. With a thickness of 0.40mm, the materials used guarantee that this sleeve can withstand high temperatures and harsh weather conditions. The compressed Rockwool insulation adds an extra layer of safety by ensuring that the minimum recommended distance from combustible materials is maintained. This product is certified by both CE and HETAS, making it a compliant and trusted choice in the UK market.
Key Features and Benefits
Durable Construction: The use of premium stainless steel not only extends the lifespan of the product but also ensures that it continues to function efficiently even in extreme conditions.
Enhanced Safety: With Rockwool insulation and strict adherence to clearance guidelines (50mm for TWPro and 60mm for KC), you can be confident that your surrounding structures will be well protected from any heat damage.
Versatility: The Wall Sleeve is designed to work with a range of appliances, including woodstoves, boilers, and gas or oil-fired systems, making it a flexible solution for various heating setups.
Ease of Installation: Featuring a user-friendly Locking Band, the installation process is simplified, reducing the risk of improper fitting and subsequent maintenance issues. Additionally, the design allows for taper-cutting to suit angled wall passages, ensuring a seamless integration in your project.
Installation Process
Installing the Wall Sleeve - Ø 100 is straightforward but must be done with precision. First, ensure that the wall and chimney flue are prepared and that there is sufficient clearance from combustibles. Follow the key steps below:
- Measure Accurately: Begin by measuring the area where the sleeve will be installed. Ensure you account for the necessary clearances of 50mm (TWPro) or 60mm (KC) away from any flammable materials.
- Secure the Sleeve: Use the built-in Locking Band to securely fasten the sleeve around the chimney flue. This mechanism is designed to create a snug fit, minimizing any risks of movement or dislodgement.
- Taper-Cutting: For installations where the flue passes through the wall at an angle (typically 45°), it is advisable to taper-cut the sleeve. Use either a grinder or a hacksaw to make the necessary adjustments so that the sleeve fits flush with the wall.
- Fill Insulation Gaps: After installation, fill any gaps between the flue and the sleeve with Rockwool insulation. This not only ensures optimal thermal protection but also enhances the overall safety of the installation.
Safety and Compliance
Safety is paramount when dealing with chimney installations. The Wall Sleeve - Ø 100 is designed with strict adherence to industry standards, including EN1856-1 T600 N1 W V2 L50040 and approvals from CE and HETAS. These certifications guarantee that the product has been rigorously tested and meets essential safety protocols. Always verify that the installation follows the clearance guidelines and insulation recommendations to prevent any risk of heat damage or fire hazards.
Comparing with Other Products
When compared to alternative solutions, the Wall Sleeve - Ø 100 stands out due to its high-grade stainless steel construction and ease of installation. Many cheaper alternatives may not offer the same level of durability or adhere to stringent safety standards, potentially compromising the overall integrity of your chimney system. Investing in a quality product such as this can save time, money, and future headaches related to maintenance and safety compliance.
Frequently Asked Questions
What is the Wall Sleeve used for?
It is designed to protect the chimney flue as it passes through external walls, reducing the risk of heat damage to the structure.
Can it be used with all heating appliances?
Yes, it is suitable for wood, oil, gas appliances, and even low sulphur coal systems.
Do I need special tools for installation?
While the installation is straightforward, you may require a grinder or hacksaw for taper-cutting in angled installations.
Conclusion and Call to Action
In summary, the Wall Sleeve - Ø 100 by National Flues is an indispensable product for ensuring the long-term safety and performance of your chimney flue system. With its robust construction, certified safety credentials, and ease of installation, it provides peace of mind and reliable performance for both residential and commercial applications. Whether you’re updating your current setup or embarking on a new installation project, this sleeve offers the perfect blend of durability, safety, and ease of use. Invest in quality, protect your property, and ensure your home remains a safe environment for you and your loved ones.
buy now or call 01670 206 999.
Compatible and other products that may be of interest...