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125MM (5 INCH) Flue Liners & Install Kits - MI-Flex, 904L Mi-FLEX

Discover top-tier 125mm (5 inch) flue products including MI-Flex and 904L Mi-FLEX solutions for your fireplace. Ensure a secure and efficient installation with our superior flue liners, fixings, terminals, insulation, and more.

 

MI-FlexMI-Flex
Chimney FlueChimney Flue
Connecting PipesConnecting Pipes
Fans Flashings CowlsFans Flashings Cowls
Installation PartsInstallation Parts
After Care PartsAfter Care Parts
StovesStoves
FireplacesFireplaces
Flue Liner
Flue Liner
Reg Plates
Reg Plates
Install Kits
Install Kits
1mm Fixings
1mm Fixings
Bottom Fixings
Bottom Fixings
Terminals
Terminals
Top Fixings
Top Fixings
Accessories
Accessories
Gathers
Gathers
Insulation
Insulation
London Gather 9 x 19 inch - Ø 125
SKU: 61-125-LG19

London Gather 9 x 19 inch - Ø 125

£97.99 incl VAT

London Gather 9 x 6 inch - Ø 125
SKU: 61-125-LG6

London Gather 9 x 6 inch - Ø 125

£206.49 incl VAT

London Gather 9 x 9 inch - Ø 125
SKU: 61-125-LG9

London Gather 9 x 9 inch - Ø 125

£78.49 incl VAT

Mi-Flexwrap 10m x 12mm Insulated Blanket  125mm or 150mm
SKU: 90-FW600-10

Mi-Flexwrap 10m x 12mm Insulated Blanket 125mm or 150mm

£227.49 incl VAT

Mi-Flexwrap 10m Kit (10m Blanket, 20 Bands, 12m Tape) 125mm or 150mm
SKU: 90-FW600-10K

Mi-Flexwrap 10m Kit (10m Blanket, 20 Bands, 12m Tape) 125mm or 150mm

£264.49 incl VAT

Leca 50L Bag
SKU: 90-LECA

Leca 50L Bag

£26.99 incl VAT

Rockwool Tube - 1000mm long  125mm
SKU: 90-RPS-125

Rockwool Tube - 1000mm long 125mm

£29.99 incl VAT

Aluminium Tape
SKU: 90-RPS-T

Aluminium Tape

£26.49 incl VAT

Vermiculite (100L Bag)
SKU: 90-VERM

Vermiculite (100L Bag)

£33.99 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

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

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

PH Cowl - Ø 125
SKU: 20-125-PHCMB

PH Cowl - Ø 125

OUT OF STOCK

£64.49 incl VAT

PH Cowl - Buff / Straps / Mesh x 125mm - Ø 125
SKU: 20-125-PHCMC

PH Cowl - Buff / Straps / Mesh x 125mm - Ø 125

OUT OF STOCK

£70.49 incl VAT

Pot Hanging Cowl 1mm (Painted) - Ø 125
SKU: 20-125-PHCMT1

Pot Hanging Cowl 1mm (Painted) - Ø 125

OUT OF STOCK

£70.99 incl VAT

MI-FLEX Pot Hanging Cowl (Terracotta) Ø 400 Lid - Ø 125
SKU: 20-125-PHCMT400

MI-FLEX Pot Hanging Cowl (Terracotta) Ø 400 Lid - Ø 125

OUT OF STOCK

£67.49 incl VAT

MI-FLEX Pot Hanger Support Clamp - Ø 125
SKU: 20-125-SUPCL

MI-FLEX Pot Hanger Support Clamp - Ø 125

OUT OF STOCK

£10.49 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 is the difference between MI-Flex and 904L Mi-FLEX? -

MI-Flex is known for its flexibility and ease of installation, while 904L Mi-FLEX offers enhanced corrosion resistance and durability for long-term use in fireplace flues.

Do I need any special tools to install 125mm (5 inch) flue liners? +

Can I use 125mm flue liners for a wood-burning stove? +

How often should I clean my 125mm flue liner? +

Are there any safety precautions I should take when installing 125mm flue liners? +

In the realm of fireplace flues, the 125mm (5 inch) category stands out with its versatile options. MI-Flex and 904L Mi-FLEX products offer durability and reliability in flue liner installations. Whether you need a coil or cut length, our 125mm solutions provide top-notch quality and performance. Pair these with our installation kits, fixings, and insulation for a complete fireplace flue setup. With our range of products, you can trust in a seamless installation that enhances both safety and efficiency for your fireplace.
Why Buy These Products
The 125mm (5 inch) flue products cater to a range of fireplace setups, from standard residential fireplaces to more customized designs. Whether you're a homeowner or a professional installer, these flue liners and accessories offer the flexibility and quality needed for various installation requirements. Use them to ensure proper venting, maintain optimal airflow, and increase the overall efficiency of your fireplace. Trust in the durability of MI-Flex and 904L Mi-FLEX products to deliver long-lasting performance in your fireplace flue system.

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.