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  • chimney cowls

    Chimney Cowls


Ultraflex Flue Liner

Ultraflex is manufactured from high grade 316 or 904 stainless steel, Triple lock joints construction. Use with Wood, Gas, Oil & Smokeless Fuels.


Twin Wall Flue

Twin wall insulated flues are the perfect choice for both new-build projects and renovations.

Stainless Steel

Matt Black

Gas Flue Liner

Suitable for all gas installations. Including conventional and condensing appliances. Together with sulphur and proprietary additive free oils up to 28-second kerosene.

Stove Pipe

A comprehensive range of Vitreous enamelled flue pipe. Manufactured in accordance with ISO9001-2008 using 1mm low carbon steel.


Chimney Cowls

Our collection of terminals & cowlings include items for all types of fireplace and chimney


Installation Accessories for your flue system or stove


Best Selling Products

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New Products

Here is what`s trending on national chimney supplies right now


Nationwide Supply Of Chimney Flue Components

Welcome to National Chimney Supplies.

We have over 10 years experience supplying customers with all types of chimney flue components, parts and accessories nationwide.
Delivering flue supplies UK wide, we supply flexible chimney liner, twin wall insulated flue, vitreous stove pipe. We stock all the associated parts you may need from offset stove flue pipe
through to chimney cowls & chimney insulation for efficient smoke ventilation of your stove or fireplace with fast delivery of fireplace & stove flue supplies throughout the United Kingdom.

Why you need a chimney liner 

Chimney liners are an essential component in the safe operation of fireplaces, stoves, and furnaces, designed to protect the chimney structure from heat, smoke, and corrosive byproducts, such as creosote, while also improving draft, ventilation & efficiency. Stainless steel liners also prevent fire and structural damage by containing high temperatures and preventing combustion gases from leaking into the home. To improve the lifespan of your liner, we recommend regular chimney inspections &maintenance by a chimney sweep or similar experienced tradesperson..

Introducing Ultraflex chimney liner

Available in 316/316 and 904/904 grade stainless steel, these flexible chimney liners are Ideal for achieving the correct draft and preventing the harmful build-up of smoke by-products such as tar/creosote. Perfect for chimney repair or new wood burner installations alike, conforming to UK building regulations & HETAS approved for use with DEFRA approved stoves, fireplaces & appliances, as well as benefiting from a lifetime warranty.

Nationwide Chimney parts & components

For all your chimney flue supplies, from register plates and stove pipe through to cowls, insulation and fire rope, we can help . Buy online today or give us a call on 01143 583399.


New In : Wood burning & multi fuel stoves

We now stock the latest DEFRA approved wood burning & multi fuel stoves for fast UK delivery. Available in 5KW heat output, these appliances offer maximum efficiency and minimum emissions.


Vat no. 173389871- Company No. 08618240 - Registered Name: Chimney Supplies Ltd t/a NCS - Copyright © 2023-present National Chimney Supplies