Flue Liner

Quattro-Plus is our flexible flue liner which is designed for re-lining an existing masonry chimney that has failed or to increase the performance of the chimney. This chimney flue liner can only be installed in a masonry chimney and has to be totally enclosed within it. A wood and plaster board, or similar, is not acceptable. 

The Quattro-Plus chimney flue liner is manufactured with two skins of either stainless steel and is suitable for gas, oil, and multi-fuel, including wood burning appliances where the maximum flue gas temperature does not exceed 600°C. 

These flexible flue liners are available in two grades, 316L and 904L; 904L, is a higher grade that is suitable for more extreme conditions found with coal-based solid fuel installations. 

Every multi-fuel flexible flue liner comes with a manufacturer’s lifetime* warranty.

If you’re looking for flexible chimney liners, then look no further! Take a look at our range of chimney liners below. We are in the West Midlands, Birmingham, & Wolverhampton.


*"Lifetime" refers to the lifetime of your appliance.

Quattro-Plus is CE Approved to BSEN 1856:2, it is also a HETAS Approved product. It is also rated to 600°C

Its designation is EN1856-2 T600 W Vm L50012 G (316L only) and EN1856-2 T600 W Vm L70012 G (904L only).

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Flue Liner 316L Grade 125mm (5inch)

A double skinned flexible flue liner suitable for relining within a masonry chimney. Flue liner is s..

Our Price (ex VAT): £10.60 Inc VAT: £12.72

Flue Liner 316L for Gas and Oil (316L Grade) - 125mm (5 inch)

A single skin flexible flue liner suitable for relining within a masonry chimney. Suitable for use o..

Our Price (ex VAT): £9.58 Inc VAT: £11.50

Flue Liner 316L Grade - Solid Fuel 150mm (6 inch)

Our multi-fuel chimney liners are high performance twin wall flexible flue liners that have been des..

Our Price (ex VAT): £11.66 Inc VAT: £13.99

Flue Liner 904L Grade 125mm (5inch)

A double skinned flexible flue liner suitable for relining within a masonry chimney. Flue liner is s..

Our Price (ex VAT): £23.73 Inc VAT: £28.48

Triplelock 125mm Install Pack C Top plate / GC1 / Nose Cone

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Our Price (ex VAT): £12.25 Inc VAT: £14.70

Flue Liner 904L Grade - Solid Fuel 150mm (6 inch)

A double skinned flexible flue liner suitable for relining within a masonry chimney. Flue liner is s..

Our Price (ex VAT): £27.30 Inc VAT: £32.76

Increasing Adaptor 100 Rigid to 125mm Flex

A metal connector which connects the flexible chimney liner (one diameter size bigger - IE. 5 inch (..

Our Price (ex VAT): £18.02 Inc VAT: £21.62

Top Clamp 125mm

Used in conjunction with the Top Plate and Top Insert Sleeve, the Top Clamp supports the weight of t..

Our Price (ex VAT): £8.29 Inc VAT: £9.95

Flue Adaptor 125mm Rigid to 125mm Flex

Connects 125mm (5 inch) Flue Liner to 125mm (5 inch) Black Pipe / Vitreous Enamel / 1mm Stainless / ..

Our Price (ex VAT): £18.02 Inc VAT: £21.62

Top Plate 125mm

Used in conjunction with the Top Clamp and Top Insert Sleeve, the Top Plate supports the weight of t..

Our Price (ex VAT): £7.23 Inc VAT: £8.68

Flue Adaptor 150mm Rigid to 150mm Flex

Connects 150mm (6 inch) Flue Liner to 150mm (6 inch) Black Pipe / Vitreous Enamel / 1mm Stainless / ..

Our Price (ex VAT): £18.02 Inc VAT: £21.62

Terracotta Pot Hanger c/w Rain Cap and Mesh - 150mm

The Pot Hanger with integral rain cap and bird guard not only allows the chimney liner to be install..

Our Price (ex VAT): £45.58 Inc VAT: £54.70

Top Insert Sleeve c/w Rain Cap 125 mm

Provides rain protection at the top of the stack...

Our Price (ex VAT): £19.25 Inc VAT: £23.10

Top Plate 150mm

The plate measure 15 inch square (375mm) and is used in conjunction with the Top Clamp and Top Inser..

Our Price (ex VAT): £5.59 Inc VAT: £6.71

GC1 Gas Terminal WITH PLATE

Gas terminal (GC1). This type of cowl must be used to terminate a liner installed on gas fired appli..

Our Price (ex VAT): £11.02 Inc VAT: £13.22