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Chimney Options

Whilst it's not the main event, it's important to consider which type of chimney is required for your ideal stove installation. At Marlow Stoves we work with chimney suppliers with numerous options to create the perfect finish and efficiency for you. 

Starflex

Felxible flue pipe options

Turbinox GF-P

Single skin gas flexible liner

Flexible Liners

Flexible liners make for a much easier installation process and are therefore the most popular by pros and do-it-yourselves alike. If you are needing to reline a very tall chimney, flexible is absolutely the way to go. If your chimney is only ten feet or so, then you can get by with a rigid steel liner without too much installation difficulty.

             Installation begins with clearing any obstructions that may be inside the chimney. A test tube, pulling cone or short piece of liner is pulled up or down the chimney to make sure the chimney is clear. A thorough cleaning of the chimney is not necessary because the new liner will provide a brand new flue for the chimney. It's best to fit the liner to the appliance rather than fitting the existing flue to the appliance. The only exception would be if the chimney was being relined for a pre-existing masonry fireplace with no appliance i.e.

NO wood stove, insert, new furnace, etc.

            The liner should be insulated. This is a step that is often avoided, but should not be. An insulated chimney liner will allow for the liner to get heated properly allowing for a better draft. In order to insulate with a ceramic wool blanket you must wrap the liner before it is inserted into the chimney. You start by laying out the insulation on a flat surface. Then the stainless liner is placed in the center of the insulation.

           The insulation is wrapped around the liner and held in place with a adhesive spray (this step is optional). A wire mesh is then clamped at one end of the liner and insulation and pulled to the other end and clamped there as well. This will help protect the insulation as it is snaked down the chimney. Sometimes the liner may need a little coaxing to get it all the way through the chimney, but its flexible nature allows for quite a bit of contorting.

Twin Wall Insulated Chimney Systems

Twin wall flues are made up of individual pipes designed to create a flexible chimney style addition to your home, which can be adapted around your requirements. The pipes form a “clip together” chimney system that can be used to safely take gases and smoke from a wood burning stove out of the house and into the atmosphere.

The system is typically made from a metal tube (the flue) which is insulated with approximately an inch of insulation, which is required to keep gases hot while keeping the outer pipe cool so it doesn’t damage its surroundings. It is essentially a flue pipe within another flue pipe with a layer of insulating material between the two pieces.

The great benefit of this system means that it’s not just limited for those without chimney breasts. In fact, it is becoming quite common for those with chimneys to install a well-insulated flue pipe in their chimney to prevent residue build-up and other dangers that could lead to a chimney fire in your home. By giving the hot air and smoke a smaller space in which to travel, it leaves the chimney quicker with less soot and ash build up as a result.

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Therminox

30 mm insulated twin wall multi fuel system chimney

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Dualinox

25mm insulated twin wall multi fuel system chimney

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Duo-Gas

Concentric flue system for balanced gas fires

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PGI Pellet

Concentric flue system for pellet stoves

Balanced Flue Systems

Balanced flue gas fires (or closed combustion gas fires) are efficient, modern gas appliances that are connected to the outside atmosphere through a concentric flue. Air is drawn from outside the building for combustion, with waste gases expelled outside through the flue, which is connected to the top of the fire and inserted through an outside facing wall. All balanced flue gas fires are room-sealed, glass-fronted appliances. As well as being attractive in appearance, they provide high levels of comfort due to the fact that the oxygen levels in the home are not being depleted.
               Balanced flue gas fires also have higher-than-average energy efficiency ratings, due to their closed combustion system and modern fireplace engineering standards. Because there are no restrictions in terms of chimney size, balanced flue gas fires are available in a huge range of sizes, shapes and designs. There are letterbox, portrait and landscape models; 2-sided, 3-sided and see-through tunnel fires as well as freestanding contemporary gas stoves.
                Many of these models can be combined with natural stone fire surrounds or a wide selection of beautiful, tailor-made outer frames to enhance the appearance of the fires. Balanced flue gas fires are available with authentic log effect displays, natural looking twigs, pebbles, stones and even anthracite glass. Interiors include matt or glossy black, natural stone, classic brick and mirrored Ceraglass.
 
Elegant, comfortable and energy efficient, balanced flue gas fires are an inspired choice for period or contemporary homes.

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