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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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£18.99
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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

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.
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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.
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 Storm Collar - Ø 125 buyers guide

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