Guide to Adding Pebbles to a Bio-ethanol Fireplace

We have written this Guide to Adding Pebbles to a Bio-ethanol Fireplace as care should be taken when adding aftermarket pebbles, coals, logs etc to a bio-ethanol fire if they have not been supplied with the fire by the manufacturer. Before buying or adding anything to the fire which affects the flame you should contact the manufacturer of the bio-ethanol fireplace to get their advice on if the fireplace you have is suitable for this type of decoration.

Guide to Adding Pebbles to a Bio-ethanol Fireplace

Adding pebbles to a bio ethanol fireplace can be desirable as it removes the starkness of the stainless steel bio ethanol burner tray however it is not as straightforward as it may seem. There are two main areas of concern when adding pebbles to a bio-ethanol fireplace, firstly, the affect they have on the quality of the flame and secondly, if they are able to displaced from the fireplace and roll off when they are hot and burn someone or start a fire.


The reason that a bio-ethanol fire can be used in a room in a home without a chimney, and with minimum ventilation, is that the ethanol fuel burns very cleanly. All products that have an open flame give off emissions like CO, CO2, NOx etc, some fuels are cleaner than others. This is why when burning carbon fuels like natural gas, LPG, Wood or Coal a chimney or flue must be used to draw these emissions away from the fireplace to the outside fresh air to be dispersed and diluted. When the fuel source is alcohol based, which is what bioethanol fuel is, the emission values that are created when it burns are minimal and any additional fresh air that is entering the room via ventilation dilutes these emission further making the fire relatively safe.

Buying imitation Pebbles, Coals etc

There are many styles of decoration available on the internet and these are made from different types of material. Some may be safer than others therefore if you are considering adding pebbles to a bio ethanol fireplace check with the pebble supplier before buying to ensure that they endorse the use of their product on a bio ethanol fireplace. You should also get instructions from them on how the decoration should be installed and used.

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Some decoration is actual stone chippings or pebbles others are manufactured from fibre compounds and then painted. If decorative pebbles, coals etc are added to a bio-ethanol fireplace burner and come in direct contact with the flame the emissions that are given off by the burner will be increased and in certain environments be potentially harmful.  The volume of these emissions is governed by the size of the flame and burner, the bigger the burner the higher the emissions.

Bio-ethanol fireplaces are a secondary heat source and are a mainly decorative product chosen to add style to a room. When choosing a bio ethanol fireplace there are certain considerations that must be observed like fuel handling and storage, light and extinguishing the flame and any ventilation requirements.

Before using a bio ethanol fire read the manufacturers instructions to become aware of the safety requirements of the fire. Included in the booklet the manufacturer may indicate if pebbles can or cannot be used.

If in doubt you should always read the manufacturers instructions which were delivered with the fire or contact the manufacturer and ask if they advise using pebbles with the product before ordering. If deciding to add pebbles to a burner which was not supplied with the product then advice is to ensure they are placed around the flame but not actually touching it.

Fireplace Pebbles
Fireplace Pebbles

The fireplace pebbles should also be placed in a way that ensures they cannot roll off the fire onto the floor. By taking care on the positioning it should be possible to make the the fire continue to burn very cleanly and as the manufacturer designed the fire to operate.

Some Suppliers of Bio-Ethanol Fireplaces

More Bio-Ethanol Fireplace Technical Pages

Some Styles of Bio-Ethanol Fireplace