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Storm Collar - Ø 125 (15-125-082)

National Flues presents the Storm Collar Ø 125mm – a premium weatherproof roofing accessory designed for robust chimney installations. This high-quality, HETAS approved solution offers exceptional durability for wood stoves, gas and oil appliances. Enhance your flue system with our top-notch, stainless steel storm collar and explore our range of optional accessories for complete chimney protection.
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At a Glance

    Waterproof performance ensuring roof integrity
    High-grade stainless steel construction (304 & 316L)
    HETAS & CE approved for safety and reliability
    Versatile compatibility with various fuel appliances
    Easy installation with locking band & silicone seal
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, June 9th. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

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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.

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

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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.
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  • 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 Storm Collar Ø 125mm is an essential accessory designed to ensure watertight integrity where your chimney or flue passes through the roof. Suitable for solid fuel, gas, and oil appliances, including wood stoves, gas coal-effect fires, and boilers, this storm collar is crafted from high-grade stainless steel for maximum durability. The outer skin is composed of 304 grade stainless steel, while the inner skin boasts 316 grade stainless steel, both with a thickness of 0.4mm.

The insulation comprises high-density compressed rockwool, ensuring robust thermal protection. Fully welded for extra strength, the Storm Collar Ø 125mm maintains a safe distance from combustible materials and is HETAS and CE approved for peace of mind. Installation is straightforward, employing a locking band to secure twin wall insulated chimney parts.

Remember to seal the top edge with silicone to achieve complete watertightness.

SKU: 15-125-082

Technical Specifications
SKU15-125-082
Dimensionsu00d8125mm, twin-wall compatibility
MaterialsOuter: 304 Stainless Steel, Inner: 316 Stainless Steel, Insulation: Compressed Rockwool
Thickness0.40mm (each skin)
ApprovalsHETAS, CE
Fuel CompatibilityWood, Oil, Gas, Low Sulphur Coal
Installation Requirements25mm clearance above flashing, silicone seal advised
WarrantyStandard manufacturer warranty
1. Position the Storm Collar approximately 25mm above the highest part of your roof flashing. 2. Secure it firmly using the provided locking band. 3. Apply a bead of high-quality silicone around the top edge and adjacent flue to ensure complete watertightness. 4. Verify that the clearance distances (50mm for TWPro and 60mm for KC) are met. 5. For optimal results, recheck all fittings and adhere to manufacturer guidelines and safety standards.

It can be used with a range of solid fuel, gas, and oil appliances including wood stoves, gas coal-effect fires, and boilers.

It is made from 304 grade stainless steel on the outside and 316 grade stainless steel on the inside, both with a thickness of 0.4mm.

Install it about 25mm above the tallest part of the flashing, secure it using a locking band, and run a bead of silicone around the top edge and the flue to ensure watertightness.

Yes, the Storm Collar Ø 125mm is HETAS approved and also CE marked.

It uses high-density compressed rockwool for insulation, offering excellent thermal protection.

The required distance to combustibles is 50mm for TWPro and 60mm for KC.

Yes, its robust construction ensures it can protect the flashing and maintain watertightness even in harsh weather conditions.

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