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125MM (5 INCH) Chimney Flue Products - UK | National Flues

Discover the extensive selection of 125mm (5 inch) chimney flue products at National Flues. Our high-quality range includes adaptors, pipes, bends, tees, supports, firestops, flashings, terminals, and accessories to cater to all your flue system needs. Whether you are installing a new fireplace or upgrading an existing system, our 125mm products are designed to ensure efficient and safe ventilation for your home.

 

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
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

Wall Sleeve 45° Adjustable - Ø  125
SKU: 15-125-100

Wall Sleeve 45° Adjustable - Ø 125

£28.99 incl VAT

Roof Brace Kit - Ø  125
SKU: 15-125-123

Roof Brace Kit - Ø 125

£58.49 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 (31093ST) - Short Ext. Bracket Heavy Duty Wall Band - 324mm
SKU: 22-052

Sflue (31093ST) - Short Ext. Bracket Heavy Duty Wall Band - 324mm

£38.99 incl VAT

Sflue (31093LG) - Long Ext. Bracket Heavy Duty Wall Band - 600mm
SKU: 22-054

Sflue (31093LG) - Long Ext. Bracket Heavy Duty Wall Band - 600mm

£49.49 incl VAT

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

Sflue (7002900) - Universal Roof Support

£44.99 incl VAT

Sflue (2119405) - Adaptor - 127mm Ø
SKU: 22-125-001

Sflue (2119405) - Adaptor - 127mm Ø

£31.49 incl VAT

Sflue (2119706) - Increaser SW to TLPro 127mm-152mm  Ø
SKU: 22-125-002

Sflue (2119706) - Increaser SW to TLPro 127mm-152mm Ø

£73.99 incl VAT

Sflue (2119505) - Adaptor to Cast Iron Pipe - 127mm Ø
SKU: 22-125-003

Sflue (2119505) - Adaptor to Cast Iron Pipe - 127mm Ø

£35.49 incl VAT

Sflue (2140805) - Pipe 1200mm - 127mm Ø
SKU: 22-125-009

Sflue (2140805) - Pipe 1200mm - 127mm Ø

£166.99 incl VAT

Sflue (2140905) - Pipe 1000mm - 127mm Ø
SKU: 22-125-010

Sflue (2140905) - Pipe 1000mm - 127mm Ø

£99.49 incl VAT

Sflue (2141005) - Pipe 500mm - 127mm Ø
SKU: 22-125-011

Sflue (2141005) - Pipe 500mm - 127mm Ø

£65.99 incl VAT

Sflue (2141105) - Pipe 300mm - 127mm Ø
SKU: 22-125-012

Sflue (2141105) - Pipe 300mm - 127mm Ø

£52.49 incl VAT

Your Questions Answered

What are the primary components of a 125mm (5 inch) chimney flue system? -

A typical 125mm chimney flue system consists of adaptors, pipes, bends, tees, supports, firestops, flashings, terminals, and various accessories like storm collars and rain caps.

Are 125mm (5 inch) chimney flue products suitable for both residential and commercial installations? +

Do I need professional help to install a 125mm (5 inch) chimney flue system? +

Can I combine different brands of 125mm (5 inch) chimney flue products? +

How do I know which 125mm (5 inch) chimney flue products are suitable for my appliance? +

Are 125mm (5 inch) chimney flue products durable and long-lasting? +

Do I need to regularly maintain my 125mm (5 inch) chimney flue system? +

At National Flues, we pride ourselves on offering top-notch 125mm (5 inch) chimney flue products that meet industry standards while providing durability and reliability. Our range covers everything from adaptors for seamless connections to various pipe lengths, bends for navigating corners, and essential accessories like firestops and flashings. You can trust our products for their high-performance and ease of installation, making them ideal for both residential and commercial applications. With National Flues, you can rest assured that your flue system is in good hands.
Why Buy These Products
Our 125mm (5 inch) chimney flue products are versatile and can be used in a wide range of applications, including wood-burning stoves, gas fires, and solid fuel heaters. These products are essential for safely directing smoke and gases out of your property, ensuring proper ventilation and compliance with building regulations. Whether you are a homeowner looking to upgrade your fireplace or a professional installer in need of reliable flue components, National Flues has the solutions you need to complete your project with confidence.

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.