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MI-Flex Flexible Flue Liners - Durable and Flexible Flue Solution

MI-Flex is a top-tier choice for flexible flue liners, renowned for its durability and flexibility in chimney installations. The MI-Flex range includes options in various diameters to suit different chimney sizes. The high-quality stainless steel construction ensures longevity and resistance to heat and corrosion. Whether you're fitting a new stove or updating an existing fireplace, MI-Flex provides a reliable solution. Discover why MI-Flex is a preferred choice among installers and homeowners for safe and efficient chimney lining.

 

MI-FlexMI-Flex
Chimney FlueChimney Flue
Connecting PipesConnecting Pipes
Fans Flashings CowlsFans Flashings Cowls
Installation PartsInstallation Parts
After Care PartsAfter Care Parts
StovesStoves
FireplacesFireplaces
316L Mi-FLEX
316L Mi-FLEX
Gas FLEX Fixings
Gas FLEX Fixings
904L Mi-FLEX
904L Mi-FLEX
Mi-FLEX 1mm Fixings
Mi-FLEX 1mm Fixings
Mi-FLEX Fixings
Mi-FLEX Fixings
Mi-FLEX ScrewFIX Fixings
Mi-FLEX ScrewFIX Fixings
Mi-FLEX Insulation
Mi-FLEX Insulation
Mi-FLEX Register Plates
Mi-FLEX Register Plates
Gas FLEX
Gas FLEX
Screw-FIX Nose Cone - Ø 150
SKU: 25-150-NC

Screw-FIX Nose Cone - Ø 150

£17.49 incl VAT

MI-FLEX Screw-FIX Pot Hanging Cowl, Natural - Ø 150
SKU: 25-150-PHCM2

MI-FLEX Screw-FIX Pot Hanging Cowl, Natural - Ø 150

£60.49 incl VAT

MI-FLEX Screw-FIX Pot Hanging Cowl, Terracotta - Ø 150
SKU: 25-150-PHCMT2

MI-FLEX Screw-FIX Pot Hanging Cowl, Terracotta - Ø 150

£67.99 incl VAT

Screw-FIX Pot Hanger - Ø 150
SKU: 25-150-PHS

Screw-FIX Pot Hanger - Ø 150

£27.99 incl VAT

Screw-FIX Rain Cap - Ø 150
SKU: 25-150-RC

Screw-FIX Rain Cap - Ø 150

£29.49 incl VAT

Screw-FIX Register Plate Adaptor - Ø 150
SKU: 25-150-RPA

Screw-FIX Register Plate Adaptor - Ø 150

£44.49 incl VAT

Insulation Back Filler - Ø 150
SKU: 25-150-VBF

Insulation Back Filler - Ø 150

£42.49 incl VAT

Screw-FIX Joiner - Ø 175
SKU: 25-175-J

Screw-FIX Joiner - Ø 175

£45.99 incl VAT

Screw-FIX Long Tail Adaptor - Ø 175
SKU: 25-175-MAELT

Screw-FIX Long Tail Adaptor - Ø 175

£36.49 incl VAT

Screw-FIX Increaser - Ø 175-200mm
SKU: 25-175-MR

Screw-FIX Increaser - Ø 175-200mm

£37.99 incl VAT

Screw-FIX Increaser, 1mm - Ø 175-200mm
SKU: 25-175-MR1

Screw-FIX Increaser, 1mm - Ø 175-200mm

£66.99 incl VAT

Screw-FIX Long Tail Increaser - Ø 175-200mm
SKU: 25-175-MRLT

Screw-FIX Long Tail Increaser - Ø 175-200mm

£59.49 incl VAT

Screw-FIX Pot Hanging Cowl, Natural - Ø 175
SKU: 25-175-PHCM

Screw-FIX Pot Hanging Cowl, Natural - Ø 175

£81.99 incl VAT

Screw-FIX Rain Cap - Ø 175
SKU: 25-175-RC

Screw-FIX Rain Cap - Ø 175

£37.99 incl VAT

Screw-FIX Flex Joiner - Ø 200
SKU: 25-200-J

Screw-FIX Flex Joiner - Ø 200

£50.49 incl VAT

Screw-FIX Adaptor to SW, 1mm - Ø 200
SKU: 25-200-MAE1

Screw-FIX Adaptor to SW, 1mm - Ø 200

£52.49 incl VAT

Screw-FIX Long Tail Adaptor - Ø 200
SKU: 25-200-MAELT

Screw-FIX Long Tail Adaptor - Ø 200

£41.49 incl VAT

Screw-FIX Pot Hanging Cowl, Natural - Ø 200
SKU: 25-200-PHCM

Screw-FIX Pot Hanging Cowl, Natural - Ø 200

£101.49 incl VAT

Screw-FIX Pot Hanging Cowl, Terracotta - Ø 200
SKU: 25-200-PHCMT

Screw-FIX Pot Hanging Cowl, Terracotta - Ø 200

£117.99 incl VAT

Screw-FIX Pot Hanger - Ø 200
SKU: 25-200-PHS

Screw-FIX Pot Hanger - Ø 200

£43.99 incl VAT

Your Questions Answered

What sizes are available in the MI-Flex range? -

MI-Flex is available in various diameters, including 80mm, 100mm, 125mm, 150mm, 175mm, 200mm, 250mm, and 300mm, catering to a wide range of chimney sizes.

Is MI-Flex suitable for wood-burning stoves? +

Does MI-Flex require professional installation? +

Can MI-Flex be used with gas fires? +

Is MI-Flex suitable for listed buildings? +

What is the warranty period for MI-Flex products? +

Can MI-Flex be used for both residential and commercial applications? +

MI-Flex stands out as a premium option for flexible flue liners in the UK. Its innovative design allows for easy installation, offering flexibility to navigate bends and offsets in chimneys efficiently. Made from high-grade stainless steel, MI-Flex ensures durability and longevity, making it a cost-effective solution in the long run. The smooth inner surface of MI-Flex promotes optimal airflow and prevents the build-up of creosote and debris, enhancing the efficiency and safety of your fireplace or stove. When it comes to quality, durability, and performance, MI-Flex is the go-to choice for chimney lining projects.
Why Buy These Products
MI-Flex flexible flue liners are ideal for both residential and commercial properties. They are suitable for use with wood-burning stoves, multi-fuel stoves, gas fires, and oil boilers. MI-Flex offers a versatile solution for various chimney types, including masonry and pre-fabricated chimneys. Whether you're renovating an old property or installing a new heating appliance, MI-Flex provides a reliable and efficient flue lining solution. Its flexibility and durability make it a popular choice among installers and homeowners looking for high-quality chimney components.

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.

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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.