Contents
Do I need a flexi flue?
Heat efficiency We have seen many people questioning the need for a flexible flue liner often comparing an open fire to a wood-burning stove. So, as there are less gases escaping with a wood-burning stove there is a need for a greater draw to push the gases up and out of the chimney.
How long does a flexi flue last?
Suitable for most domestic wood burning stove applications, it affords premier heat protection and a long lifespan. In fact, it can last for more than 10 years.
Can a flue have a bend?
Therefore, fireplace flues need to be constructed to maximize internal temperatures. Flue design also has an impact on flue efficiency. Bends, or offsets, in the flue can retard the steady outflow of gases. They also interfere with the flow of oxygen through the chimney to the fire.
What’s the difference between 316 and 904 flue liner?
The 316 liner is suitable for most domestic wood burning stoves, whereas, the 904 is a higher grade liner, which is thicker and more resilient than the 316 and is suitable for multifuel appliances, the use of smokeless fuels and for boiler stoves, due to the slightly higher production of acidic condensates when burning …
Can I use a 5 inch flue liner?
Under the Building Regulations, the minimum flue liner size you can use is 6 inches (150mm). You can use a 5-inch (125mm) flue liner with a stove that has a 5-inch if either of the following apply: You will only be burning smokeless fuel. Your stove has DEFRA exempt status for burning wood.
Can I install a flue liner yourself?
Can I fit a flue liner / chimney system / stove myself? Yes. Installing a flexible chimney liner or complete twinwall system is a larger job and may involve ladders or scaffolding if external access to your roof is needed but is still technically straightforward.
Does a flue have to go straight up?
Both the Regulations and the Standards recommend that bends in the chimney be avoided, as a straight vertical chimney performs better. If bends are necessary there must be no more than four in the length of the chimney.
Can you angle a flue?
A fireplace chimney flue can be sloped, but it should only be done if absolutely necessary. The angle of the flue should be 90 degrees or directly perpendicular to ground level if possible. This means that the flue can actually be installed at a 60 degree angle from the ground if necessary. …
What is a Class 1 flue liner?
Class 1 flue liners, often known as Multi-fuel or soild fuel flexible liner is a double skin flexible flue liner suitable for appliances burning wood, solid fuel and heavy oil. The type of flue liner permitted depends on the type of appliance and the fuel chosen to be used.
Can a flexi flue pipe be used for a fireplace?
Flexi Flue is an excellent internal chimney liner or stand alone flexible flue pipe, used for converting existing open fireplaces or general flue applications. It’s one-piece flexible design makes installation easier in tight and angled situations (when compared with straight flue pipes – which have to be custom cut, angled and then joined).
What does a single wall flue pipe do?
Single wall flue pipe is designed to connect to the top or rear outlet of a stove and essentially act as the connecting piece between the stove and the main flue system.
What’s the difference between a flue liner and a chimney vent?
Also popular as the chimney liner, the flue liner is a flexible tube connected to your stove pipe to line the inside of the chimney. It runs up the entire length of the chimney. It’s important to understand the difference between the flue liner, chimney flue, and chimney vent.
What was the original meaning of the term flue?
Originally, the term flue meant the chimney itself. In the US, the flue is also sometimes referred to as a vent when used in boilers and breaching when used in water heaters and modern furnaces.