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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
MI-FLEX Square Pot Hanging Cowl (Terracotta) - Ø 200
SKU: 20-200-SPHCMT

MI-FLEX Square Pot Hanging Cowl (Terracotta) - Ø 200

OUT OF STOCK

£135.49 incl VAT

Joiner - Ø 300
SKU: 20-300-J

Joiner - Ø 300

OUT OF STOCK

£95.99 incl VAT

Increasing MI-FLEX Adaptor - Ø 80-Ø 100
SKU: 20-80-MR

Increasing MI-FLEX Adaptor - Ø 80-Ø 100

OUT OF STOCK

£19.99 incl VAT

Top Hat Adaptor 1mm - Ø 150
SKU: 21-150-THA1

Top Hat Adaptor 1mm - Ø 150

OUT OF STOCK

£53.49 incl VAT

Screw-FIX Pot Hanger - Ø 100
SKU: 25-100-PHS

Screw-FIX Pot Hanger - Ø 100

OUT OF STOCK

£23.99 incl VAT

Screw-FIX Register Plate Adaptor - Ø 100
SKU: 25-100-RPA

Screw-FIX Register Plate Adaptor - Ø 100

OUT OF STOCK

£33.99 incl VAT

Screw-FIX Adaptor to SW, 1mm - Ø 175
SKU: 25-175-MAE1

Screw-FIX Adaptor to SW, 1mm - Ø 175

OUT OF STOCK

£46.49 incl VAT

Screw-FIX Pot Hanger - Ø 175
SKU: 25-175-PHS

Screw-FIX Pot Hanger - Ø 175

OUT OF STOCK

£37.49 incl VAT

Screw-FIX Top Hat Adaptor - Ø 175
SKU: 25-175-THA

Screw-FIX Top Hat Adaptor - Ø 175

OUT OF STOCK

£46.99 incl VAT

Triplelock - Cast Aluminium Terminal - Ø 125
SKU: 34-125-CT

Triplelock - Cast Aluminium Terminal - Ø 125

OUT OF STOCK

£51.49 incl VAT

Triplelock - Debris Plate (Spring Fix) - Ø 125
SKU: 34-125-DP

Triplelock - Debris Plate (Spring Fix) - Ø 125

OUT OF STOCK

£23.99 incl VAT

Triplelock - Plastic Nose Cone - Ø 125
SKU: 34-125-N

Triplelock - Plastic Nose Cone - Ø 125

OUT OF STOCK

£1.99 incl VAT

Triplelock - Flue Adaptor - Ø 200
SKU: 34-200-A

Triplelock - Flue Adaptor - Ø 200

OUT OF STOCK

£23.49 incl VAT

Triplelock - Adaptor to Single Wall - Ø 300
SKU: 34-300-A

Triplelock - Adaptor to Single Wall - Ø 300

OUT OF STOCK

£49.49 incl VAT

316L Mi-FLEX 180mm x 32m COIL
SKU: 35Z-180-32

316L Mi-FLEX 180mm x 32m COIL

OUT OF STOCK

£901.49 incl VAT

175mm (7 inch) Flue Liner 316L for Gas and Oil  (316L Grade)
SKU: 4Z-180-1

175mm (7 inch) Flue Liner 316L for Gas and Oil (316L Grade)

OUT OF STOCK

£19.99 incl VAT

Triplelock 180mm Dia x 32m Z PACK (Liner ONLY)
SKU: 4Z-180-32

Triplelock 180mm Dia x 32m Z PACK (Liner ONLY)

OUT OF STOCK

£623.99 incl VAT

125mm (5 inch) Flue Gas Collector   Flue Box
SKU: 8-FGC-SF

125mm (5 inch) Flue Gas Collector Flue Box

OUT OF STOCK

£81.99 incl VAT

125mm (5 inch) Recessed Flue Box  Flue Box
SKU: 8-RFB

125mm (5 inch) Recessed Flue Box Flue Box

OUT OF STOCK

£131.49 incl VAT

CHIMWRAP Liner Wrap 1000mm - Ø 125/150
SKU: 90-CW125150

CHIMWRAP Liner Wrap 1000mm - Ø 125/150

OUT OF STOCK

£68.49 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.

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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.