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100MM (4 INCH) Chimney Flue & Accessories | National Flues

Discover the perfect 100mm (4 inch) chimney flue solutions at National Flues. Our range includes adaptors, pipes, elbows, tees, and various accessories to meet your fireplace installation needs. With a focus on quality and efficiency, our products ensure safe and effective chimney systems. Whether you're a homeowner or a professional installer, our 100mm offerings cater to diverse requirements, providing reliability and durability for long-term performance.

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StovesPremium Stoves
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Connecting PipesConnecting Pipes
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Installation PartsInstallation Parts
After Care PartsAfter Care Parts

Call our TWPro advisers on 01670 206 999 if you need any helping with your system design.

£10.49

73-USKB-100

US Locking Band - Ø 100-150mm

US Locking Band - Ø 100-150mm

£38.49

73-USMB-100

US Wall Band - Ø 100-150mm

US Wall Band - Ø 100-150mm

£95.99

73-USPP-100

US Adjustable Length - Ø 100-150mm

US Adjustable Length - Ø 100-150mm

£17.49

73-USR-100

US Rosette - Ø 100-150mm

US Rosette - Ø 100-150mm

£180.99

73-USSAN-100

US Renovation Set - Ø 100-150mm

US Renovation Set - Ø 100-150mm

£105.99

73-USSAN1-100

US Renovation Set, Top - Ø 100-150mm

US Renovation Set, Top - Ø 100-150mm

£22.99

73-USSR-100

US Storm collar - Ø 100-150mm

US Storm collar - Ø 100-150mm

£200.99

73-UST90-100

US Tee-Piece 90° - Ø 100-150mm

US Tee-Piece 90° - Ø 100-150mm

£102.99

73-USAAK-100

US Adaptor KAL-FIRE - Ø 100-150mm

US Adaptor KAL-FIRE - Ø 100-150mm

OUT OF STOCK

£102.99

73-USAAK2-100

US Adaptor KAL-FIRE - Ø 100-150mm

US Adaptor KAL-FIRE - Ø 100-150mm

OUT OF STOCK

£26.49

73-USAH-100

US Positioner - Ø 100-150mm

US Positioner - Ø 100-150mm

OUT OF STOCK

£33.49

73-USAK2-100

US Adaptor KAL-FIRE - Ø 100-150mm

US Adaptor KAL-FIRE - Ø 100-150mm

OUT OF STOCK

£209.49

73-USBI-100

US Elbow 90° with Inspection Cover - Ø 100-150mm

US Elbow 90° with Inspection Cover - Ø 100-150mm

OUT OF STOCK

£100.99

73-USD00-100

US Length 100 cm design - Ø 100-150mm

US Length 100 cm design - Ø 100-150mm

OUT OF STOCK

£32.49

73-USDA-100

US Adaptor Design - Ø 100-150mm

US Adaptor Design - Ø 100-150mm

OUT OF STOCK

£78.49

73-USDH-100

US Flashing Slope Roof - Ø 100-150mm

US Flashing Slope Roof - Ø 100-150mm

OUT OF STOCK

£293.99

73-USDHC3-100

US Hor.Term.design (incl. USAB) - Ø 100-150mm

US Hor.Term.design (incl. USAB) - Ø 100-150mm

OUT OF STOCK

£100.99

73-USDO-100

US Connector US Design - US 100 cm - Ø 100-150mm

US Connector US Design - US 100 cm - Ø 100-150mm

OUT OF STOCK

£100.99

73-USDOC-100

US Connector US - US design 100 cm - Ø 100-150mm

US Connector US - US design 100 cm - Ø 100-150mm

OUT OF STOCK

£78.49

73-USDP-100

US Flat Roof Flashing - Ø 100-150mm

US Flat Roof Flashing - Ø 100-150mm

OUT OF STOCK

Your 100MM (4 INCH) Questions Answered

What is the significance of a 100mm (4 inch) chimney flue? -

A 100mm chimney flue ensures proper ventilation and exhaust flow for efficient fireplace operation. It helps in directing smoke and gases safely out of the building.

Are 100mm chimney flues suitable for all types of fireplaces? +

How do I know which 100mm flue components I need for my installation? +

Are National Flues' 100mm products compliant with industry standards? +

Can I install a 100mm chimney flue system myself? +

Do 100mm chimney flues require regular maintenance? +

Are National Flues' 100mm products durable and long-lasting? +

Can 100mm chimney flues help improve fireplace efficiency? +

When it comes to chimney installations, opting for a high-quality 100mm (4 inch) chimney flue is crucial for ensuring proper ventilation and safety. At National Flues, we understand the significance of reliable chimney systems and offer a comprehensive range of 100mm products. From adaptors to support bands, flashings to terminals, our selection caters to various installation needs. Our 100mm chimney flues are constructed from durable materials, built to withstand the rigors of regular use while maintaining optimal performance. Whether you're upgrading an existing fireplace or installing a new one, our 100mm range provides the essential components for a successful project.
Why Buy 100MM (4 INCH) Products
The 100mm (4 inch) chimney flue category is popular for both residential and commercial fireplace installations. These products are specifically designed to facilitate proper exhaust flow, ensuring efficient operation of wood burners, stoves, or other heating appliances. The adaptors, pipes, and elbows in this category enable seamless connections between different flue components, allowing for flexible installation configurations. Whether you're constructing a new chimney or upgrading an existing one, our 100mm products provide the necessary components for a safe and reliable system. Trust National Flues for high-quality chimney solutions that meet your installation requirements with ease.

Trusted By Trade Professionals

Our 100MM (4 INCH) products and services are trusted by hundreds of professionals nationwide. We're committed to providing quality and reliability that meets the high standards of our customers.

Dedicated Support

Experience our unparalleled customer service and support when you buy 100MM (4 INCH) from National Flues. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.

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