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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
Vermiculite (100L Bag)
SKU: 90-VERM

Vermiculite (100L Bag)

£33.99 incl VAT

Debris Collar with Nut and Bolt - Ø 175
SKU: 94-COLLAR-175

Debris Collar with Nut and Bolt - Ø 175

£23.99 incl VAT

Debris Collar with Nut and Bolt - Ø 200
SKU: 94-COLLAR-200

Debris Collar with Nut and Bolt - Ø 200

£25.99 incl VAT

Debris Collar with Jubilee Connector - Ø 125
SKU: 94-COLLAR-J-125

Debris Collar with Jubilee Connector - Ø 125

£13.99 incl VAT

Easy Stove Connect Plate - Ø 150
SKU: 94-ESC-6

Easy Stove Connect Plate - Ø 150

£23.99 incl VAT

Register Plate (A) - 800x400, 1 access hole - Ø 125 & 150
SKU: 94-REG-A

Register Plate (A) - 800x400, 1 access hole - Ø 125 & 150

£44.99 incl VAT

Adj.Register Plate, 900x495, 2 access hole - Ø 150
SKU: 94-REG-ADJ6

Adj.Register Plate, 900x495, 2 access hole - Ø 150

£52.99 incl VAT

Register Plate (B) - 1000x400, 2 access hole - Ø 125 & 150
SKU: 94-REG-B

Register Plate (B) - 1000x400, 2 access hole - Ø 125 & 150

£52.49 incl VAT

Register Plate (C) - 1250x600, 2 access hole - Ø 125 & 150
SKU: 94-REG-C

Register Plate (C) - 1250x600, 2 access hole - Ø 125 & 150

£69.99 incl VAT

Register Plate (D) - 1250x600, no access hole
SKU: 94-REG-D

Register Plate (D) - 1250x600, no access hole

£61.49 incl VAT

Register Plate (F) - 900x495, no access hole - Ø 125 & 150
SKU: 94-REG-F

Register Plate (F) - 900x495, no access hole - Ø 125 & 150

£29.99 incl VAT

Register Plate (G) - 900x495, 2 access hole - Ø 125 & 150
SKU: 94-REG-G

Register Plate (G) - 900x495, 2 access hole - Ø 125 & 150

£54.49 incl VAT

Register Plate (H) - 900x600, no access holes
SKU: 94-REG-H

Register Plate (H) - 900x600, no access holes

£49.99 incl VAT

Register Plate (J) - 900x600, no access hole - Ø 175 & 200
SKU: 94-REG-J

Register Plate (J) - 900x600, no access hole - Ø 175 & 200

£42.99 incl VAT

Register Plate (K) - 900x600, no access hole - Ø 175 & 200
SKU: 94-REG-K

Register Plate (K) - 900x600, no access hole - Ø 175 & 200

£47.99 incl VAT

Plate 2000 x 100 x 1.2mm Galv
SKU: 94-STRIP-A

Plate 2000 x 100 x 1.2mm Galv

£42.49 incl VAT

Glass Rock Board - 2400x1200x15mm
SKU: 96-GLSROCK-15

Glass Rock Board - 2400x1200x15mm

£156.49 incl VAT

Herald 6 LPG Gas Stove with Double Doors
SKU: GTBHH6LR2

Herald 6 LPG Gas Stove with Double Doors

£1,398.99 incl VAT

10m flex pack bundle (Special Offer)
SKU: SO-T1

10m flex pack bundle (Special Offer)

£298.99 incl VAT

Pot Hanging Cowl 1mm (Natural) - Ø 125
SKU: 20-125-PHCM1

Pot Hanging Cowl 1mm (Natural) - Ø 125

OUT OF STOCK

£65.49 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.

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.