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Building regulations Document J for the installation of wood burning and multi-fuel stoves
When you decide to buy a wood burning or multi-fuel stove, there are certain safety regulations that must be adhered to. Most importantly, the stove must be fitted to a suitable chimney or insulated pipe to ensure that emissions can move unobstructed away from your dwelling.
When you choose your stove, you will need to follow guidance on size and heat output, determined by the heating requirements and the dimensions of your room. The size of your flue is also a consideration. A qualified heating engineer or reliable supplier can advise you about how to ensure you have the right stove and follow the correct installation procedure to have a safe and efficient heating system.
Building Regulations for Stoves (Document J)
The advice that professionals give you should be in line with official building regulations (Document J) that can be accessed through the government’s planning portal website, or by contacting your local planning authority.
These building regulations include the following aspects which must be taken into consideration during installation for the stove to meet safety standards:
Air supply – permanently open vents to ensure air circulation are required for stoves with an output that exceeds 5kW.
The size and position of the flue – the flue must be an appropriate diameter and height, with the flue outlet at a suitable position, to allow a good draught that will ensure the safe and efficient combustion of fuel.
The size and material of the hearth – the hearth must be made from a non-combustible material to ensure that a fire hazard is not created when the stove reaches maximum temperature or burning fuel accidentally falls out of the stove. The thickness of the hearth will depend on the maximum heat output of the stove.
It is clear from the list above that safe installation depends on a number of variable factors, including the heat output of your stove, the fuel you will be burning and the size of your flue. Installation will also depend on the design of your home and whether or not you are replacing an existing fire.
For example, the installation procedure will be different if you are connecting a stove into an existing chimney (lined or unlined) or adding an insulated fluepipe.
Given the range of variables, and the importance of ensuring your stove is both safe and efficient, it is advisable to contact a qualified installation expert. Your supplier should be able to recommend a list of fully-qualified heating experts in your area.
Carbon Monoxide Alarms are a necessity.