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Quattro-SS Brochure
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Flue Liner installations Brochure
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Quattro-SS (single strip) is a flexible twin-skinned stainless steel flue lining with a smooth inner wall and a convoluted riged outer wall (to aid bending).
As the name suggests the flue liner is made from strip of raw material, which is bent in half to form a smooth inner wall, and a convoluted outer wall. Being formed from one peice of steel means the joint or seam (which is the weakest point) is extremely strong.
The system has been designed to upgrade existing chimneys which have failed, or for used to increase the performance of the flue.
Manufactured in two skins of either 316L grade (System MF35) or 904L grade (System MF36)
Comes with a range of accessories, and is available in 80mm, 100mm, 125mm, 150mm, 180mm, 200mm, 250mm and 300mm diameters.
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Provision should be made for inspecting and cleaning the liner especially on multi fuel liners for solid fuel applications.
The liner should be swept at least once a year by a suitably qualified chimney sweep.
Chemical chimney cleaners which contain chlorine, fluorine or metal scarifying devices cannot be used under any circumstances and will invalidate your warranty. Mechanical cleaning with a stiff nylon brush and rods are the only recommended methods.
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We recommend insulation or back filling only on tall, large or exposed chimneys.
Whilst not essential, an insulated flue should ensure maximum performance and minimize condensation in the lining.
To insulate the chimney either (1) use a loose fill granular insulating material such as Vermiculite or (2) use Rockwool Insulating Tubes that are secured around the liner
 
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At the bottom of the chimney, secure the liner into the socket of an appliance adaptor (MAE Adaptor (20-D-MAE)) using fire cement and or stainless steel screws. For open fires, secure and seal a flue gather into the masonry gather above the fire opening.
For other appliances use a minimum 600mm length of flue pipe before connecting to the appliance adaptor. Note that the liner should be the at least the same diameter as the outlet from the appliance.
The space between the liner and the inside wall of the chimney should be sealed.
The Chimney Notice Plate should be filled in and fixed in an appropriate place as per Building Regulations.
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(a) Attach the draw-cord to the nose cone. Use self-tapping screws OR strong tape to secure the nose cone to the end of the liner. Lower it into the chimney from the top, if necessary gently pulling from below using the draw-cord. When the lower end position has been determined remove the cone.
(b) When the chimney liner is all the way through the flue, connect the base of the chimney liner to the appropriate adaptor using stainless steel screws and seal with fire cement.
(c) If you insulating the chimney do this now (see Insulation).
(d) Cut the liner to the desired length – this should be to the height of the chimney pot.
(e) Attach the Pot Hanger or Pot Hanging Cowl to the top of the liner – the bottom spigot is inserted into the top of the liner. The straps are then tightened around the liner to form a secure hold.
(f) The Pot Hanger or Pot Hanging Cowl should now fit flush with the top of the chimney pot.
(g) If the Hanger has a strap on the outside secure this to the pot.
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(a) Attach the draw-cord to the nose cone. Use self-tapping screws OR strong tape to secure the nose cone to the end of the liner. Lower it into the chimney from the top, if necessary gently pulling from below using the draw-cord. When the lower end position has been determined remove the cone
(b) Remove the chimney pot and clear any cement and debris from the pot area.
(c) When the chimney liner is all the way through the flue, connect the base of the chimney liner to the appropriate adaptor using stainless steel screws and seal with fire cement.
(d) If you insulating the chimney do this now (see Insulation).
(e) Cut the liner to the desired length leaving about 100mm for the clamp to be secured and insert the Protection Sleeve into the top of the liner.
(f) Place the Top Plate over the liner and secure the liner in place using the Top Clamp. The clamp should secure both the liner and Protection Sleeve.
(g) Flaunch the Top Plate and Top Clamp and surrounding area with a suitable mortar and re-fit the chimney pot.
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The following is a general guide for flue sizing but referral should be made to Building Regulations ADJ Clause 2.4 and Table 2.2.
(a) Open fires including flame effect open gas fires.
Minimum 200mm diameter for fire openings up to 500mm x 500mm. Larger fires require a flue area equal to 14-16% of the total area of the fireplace opening. (Minimum flue diameter 180mm for gas effect fires).
(b) Solid-fuel stoves, room heaters, boilers and cookers.
Minimum 150mm diameter, 180mm – 200mm for larger or multi-fuel appliances.
(c) Other appliances.
Consult the appliance manufacturer.
Unless the appliance manufacturer recommends otherwise, the diameter of the liner should not be smaller than the appliance outlet.
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Before starting work, read the installation instructions carefully and contact our technical Department with any queries.
Good working practices and statutory health and safety considerations should be followed. Safe working platforms or other means of access should be arranged to avoid accidents.
Wear protective gloves, goggles and dust-masks, particularly when handling insulation, and dusty or sooty materials. There is a danger of cuts and abrasions from the liner and metal fittings.
CUTTING THE LINER
We recommend cutting the flue liner with a hacksaw, be sure to use protective gloves while cutting because the flue liner can have razor sharp edges.
PREPARING THE CHIMNEY
Check that the appliance and chimney arrangements are satisfactory and that the walls of the chimney are at least 100mm thick solid masonry.
Ensure that the chimney is structurally sound, wind proof and watertight.
Clean the chimney using a brush and rods. Remove any terminals or cappings, which might effect the installation of the liner.
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Quattro-SS (single strip) is available in pre-cut packs for diameters 80mm, 100mm, 125mm, 150mm, 180mm and 200mm.
Each pack contains a cut length of liner up to 14m, and is shrinked wrapped
Full coils are available in variety of different sizes, see table below for full options.
Again these are wound and shrinked wrapped.
COIL LENGTHS
100mm and 125mm diameter the coil length is 44m
150mm diameter the coil length is 40m
180mm diameter the coil length is 32m
200mm diameter the coil length is 30m
All other diameters the coil length is 6m
Mi-Flues are dedicated to helping the environment, that why we have designed this self contained flue liner carrier. Not only reusable, it means you have no cardboard or plastic waste - and the liner never gets damaged.
After cutting the liner it is simply rewound into its carrier - no mess
(a forklift is required for deliveries)
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316L Grade Quattro-SS (our systems 35Z) desigination number is
EN1856-2 T450 N1 D V3 L50012 G
904L Grade Quattro-SS (our system 36Z) desigination number is
EN1856-2 T450 N1 D V3 L70012 G
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Quattro-SS (single strip) has been approved and tested to BS EN 1856-2-2004.
Quattro-SS (single strip) is manufactured under an ISO 9001:2000 Quality system.
Quattro-SS (single strip) is HETAS approved and listed
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Quattro-SS (single strip) flue liner is classified as a CLASS ONE flue liner and is suitable for:-
GAS, OIL and MULTI-FUEL applications, including wood burning appliances where the maximum flue gas temperature does not exceed 500ºC.
Quattro-SS can be used on condensing applications so long as it is totaly vertical after installation.
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TRADE CUSTOMERS
If you are one of our Trade Customers then click below to purchase LINER.
Click here to buy LINER 
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Contact Details
Tel: 01253 884972
Fax: 01253 893752
Email: sales@mi-flues.com
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May Price Increase
Price increases from May 1st 2010
- All Flexible Liners - 10%
- Quattro Accessories - 5%
- Clay Pot Adapters - 5%
- MF13 Ancillaries - Various
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Saturday Opening
We are now open on Saturdays - from 10am until 2pm.
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Rotor Cowl Adapter
NEW for Dinak DW
Rotor Cowl with adapter is now available ex-stock
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Stacking Bird Guard
New Product
Stainless Steel stacking Bird Guards
now available
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NEW Document J
the new document J comes into force from
1st October 2010
Download a copy here
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Windkat Cowls
We are pleased to announce that Mi-Flues are the distributer for Windkat Cowls
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Price Increases
Vermiculite rises to £20.49 a bag on December 1st 2010
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MI-VIT Swept Bends
We are pleased to announce our new range of fully swept vitreous enamel bends. They are available in 125mm and 150mm diameters in angles of 90, 110 and 45 degrees.
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Price Increases
DW Black prices up by 10% on December 1st 2010
DW prices up by 2.5% on December 1st 2010
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Price Increases
Various systems have had price increases this month. All flex liners have been increased by 15%, flashings by 6% and accessorie4s, cowls, Nova, IL, ILS, and QC by 5%.
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