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125MM (5 INCH) Chimney Flue | Sflue BLACK | National Flues UK

Explore our range of 125MM (5 INCH) Sflue BLACK chimney flue products designed to provide efficient and safe venting for your fireplace. With durable materials and precise construction, these components ensure optimal performance. Whether you need adaptors, pipes, bends, tees, supports, firestops, or accessories, we have you covered. Trust National Flues UK for reliable chimney solutions.

 

MI-FlexMI-Flex
Chimney FlueChimney Flue
Connecting PipesConnecting Pipes
Fans Flashings CowlsFans Flashings Cowls
Installation PartsInstallation Parts
After Care PartsAfter Care Parts
StovesStoves
FireplacesFireplaces
Adaptors
Adaptors
Pipes
Pipes
Bends and Tees
Bends and Tees
Supports
Supports
Firestops
Firestops
Flashings
Flashings
Terminals
Terminals
Accessories
Accessories
Supports
Supports
MI-Flash - No 1.5 Tile Black EPDM (125-225mm) LD-705x501
SKU: 12-15-LD-TILE

MI-Flash - No 1.5 Tile Black EPDM (125-225mm) LD-705x501

£76.49 incl VAT

MI-Flash - No 1.5 Tile Grey SILICONE (125-225mm) LD-705x501
SKU: 12-15-LD-TILEHT

MI-Flash - No 1.5 Tile Grey SILICONE (125-225mm) LD-705x501

£94.99 incl VAT

MI-Flash - No 1.5 Tile Black EPDM (125-225mm) AL-705x501
SKU: 12-15-TILE

MI-Flash - No 1.5 Tile Black EPDM (125-225mm) AL-705x501

£21.99 incl VAT

MI-Flash - No 6 Metal Grey SILICONE 127-230mm 304x304
SKU: 12-6HT

MI-Flash - No 6 Metal Grey SILICONE 127-230mm 304x304

£23.99 incl VAT

MI-Flash - No 6 Metal Black EPDM 127-230mm 304x304
SKU: 12-6LT

MI-Flash - No 6 Metal Black EPDM 127-230mm 304x304

£15.49 incl VAT

Loft Mesh Kit (125mm)
SKU: 13-MESHKIT-125

Loft Mesh Kit (125mm)

£103.99 incl VAT

Roof Brace Kit - Ø  150
SKU: 15-150-123

Roof Brace Kit - Ø 150

£58.99 incl VAT

Chimney Notice Plate
SKU: 20-CNP

Chimney Notice Plate

£1.99 incl VAT

Sflue (3119136) - Wall Band Extension 50-100mm
SKU: 22-051

Sflue (3119136) - Wall Band Extension 50-100mm

£21.99 incl VAT

Sflue (7002900) - Universal Roof Support
SKU: 22-067

Sflue (7002900) - Universal Roof Support

£44.99 incl VAT

Sflue (2152705) - Anchor Plate - 127mm Ø
SKU: 22-125-064

Sflue (2152705) - Anchor Plate - 127mm Ø

£50.99 incl VAT

TWPro - Roof Support - 127mm Ø
SKU: 22-125-067

TWPro - Roof Support - 127mm Ø

£72.99 incl VAT

Sflue (2188805) - Decorative Ventilated Firestop - 127mm Ø
SKU: 22-125-075

Sflue (2188805) - Decorative Ventilated Firestop - 127mm Ø

£243.49 incl VAT

Sflue (2102705) - Ceiling Support (Gas) - 127mm Ø
SKU: 22-125-077

Sflue (2102705) - Ceiling Support (Gas) - 127mm Ø

£73.49 incl VAT

Sflue (2150105) - Double to Single Adaptor (Flex) - 127mm Ø
SKU: 22-125-099

Sflue (2150105) - Double to Single Adaptor (Flex) - 127mm Ø

£87.49 incl VAT

Lead Slate, Pitch 25°-35°, suitable for TW Ø 125mm
SKU: 32-125-TWLRG35

Lead Slate, Pitch 25°-35°, suitable for TW Ø 125mm

£95.49 incl VAT

Lead Slate, Pitch 36°-45°, suitable for TW Ø 125mm
SKU: 32-125-TWLRG45

Lead Slate, Pitch 36°-45°, suitable for TW Ø 125mm

£100.99 incl VAT

Lead Slate, Pitch 25°-35°, suitable for TW Ø 125mm
SKU: 32-125-TWLS35

Lead Slate, Pitch 25°-35°, suitable for TW Ø 125mm

£64.49 incl VAT

Lead Slate, Pitch 36°-45°, suitable for TW Ø 125mm
SKU: 32-125-TWLS45

Lead Slate, Pitch 36°-45°, suitable for TW Ø 125mm

£74.49 incl VAT

Standard Fixing Kit
SKU: 32-SK1

Standard Fixing Kit

£8.99 incl VAT

Your Questions Answered

What is the importance of using the correct chimney flue size? -

Using the correct chimney flue size is crucial for proper ventilation and efficient operation of your fireplace. It helps prevent smoke buildup, improves draft efficiency, and reduces the risk of creosote buildup, chimney fires, and carbon monoxide poisoning.

Can these chimney flue components be used for wood-burning stoves? +

Do I need professional installation for these chimney flue components? +

Are these chimney flue components corrosion-resistant? +

Can I use these components for both indoor and outdoor fireplaces? +

Do these components come with installation instructions? +

Are these chimney flue components compatible with other brands' products? +

When it comes to maintaining a safe and functional fireplace, investing in high-quality chimney flue components is crucial. Our 125MM (5 INCH) Sflue BLACK range offers a variety of products like adaptors, pipes, bends, tees, supports, firestops, and more to cater to your specific needs. Each component is crafted with precision and durability in mind, ensuring long-lasting performance and safety for your fireplace. Explore our selection to find the perfect fit for your chimney system.
Why Buy These Products
The 125MM (5 INCH) chimney flue components from National Flues UK are designed for both residential and commercial fireplace installations. These versatile products can be used in new construction projects, renovations, or upgrades to existing chimney systems. Whether you are a homeowner, builder, or contractor, our Sflue BLACK range offers reliable solutions to ensure proper ventilation and safety for your fireplace.

Trusted By Trade Professionals

Our 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. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.