How to choose your densified logs for an optimal use ?

By Hervé , on January 24, 2023 , updated on April 20, 2023 - 6 minutes to read

Densified logs are a very efficient solid fuel offering high calorific quality and long combustion time. They are produced from plant materials, such as wood, sawdust or shavings, which are compressed to increase their density and reduce their volume and weight. Densified logs must meet stringent quality standards to ensure the reliability and safety of the finished products. In this article, we will review the major international standards for densified logs and what they cover. We will also discuss how these standards can be applied to ensure that densified logs sold in the marketplace meet quality requirements.

What is the manufacturing process of densified logs?

The manufacturing process of densified logs is very rigorous in order to guarantee an optimal quality and a maximum calorific output. The logs are made from sawdust and/or wood shavings which are transformed into pellets, then molded to obtain uniform logs and compressed under high pressure. Quality standards require that the logs contain less moisture, are stable in combustion and offer the best possible heat output. Therefore, the manufacturing process also includes strict control of the raw materials, precise sizing of the pellets and exhaustive final quality control.

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What is the difference between densified logs and conventional logs?

Densified logs are logs produced by pressing wood chips under high pressure and heat, which gives them a higher density than conventional logs. Densified logs are generally longer, burn better and are therefore more energy efficient than conventional logs. The quality is also superior because they are free of dust, roughness and fine grains. In addition, their low moisture content provides a better heat output and makes them less susceptible to condensation. They can therefore be stored for longer periods without deteriorating.

What are the advantages of densified logs?

Densified logs are a very efficient fuel for heating. They are obtained by densifying wood chips, which then become more compact, denser and more homogeneous. As a result, they offer a more complete and optimal combustion when used in heating appliances. This results in better temperature control and interesting energy savings. However, it is important to ensure that the quality standards for densified logs are respected to ensure efficient and safe combustion. The quality of the logs should be checked at least once a year to ensure that the combustion is always optimal and that the system is not damaged.

What are the quality criteria for densified logs?

Densified logs are a popular fuel among consumers looking for sustainable, low-VOC fuels. When choosing quality densified logs, it is important to consider some key factors, including the quantity and quality of wood used to produce them, the process used to compress them, and the price. Densified logs should be produced from high quality wood that is free of insects and impurities. The compression process must be done properly and with high enough pressure to ensure efficient and longer burning. Finally, comparing prices among several suppliers is a good way to get a good price/quality ratio for densified logs.

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Is it possible to produce densified logs from different materials?

It is possible to produce densified logs from different materials, such as wood, cork and straw. Densified logs are solid fuels that offer a long burn time and high energy yield, even with a low amount of available oxygen. Quality standards for densified logs vary depending on the material used, but should include durability and density, as well as technical properties such as moisture and heat content. The production of logs must meet strict standards to ensure proper operation and optimum safety.

Quality standards for densified logs are important, as they guarantee an efficient and environmentally-friendly product. To make sure you've chosen the right option, there are a number of criteria to consider. First of all, it's important that the logs are NF or EN certified, to be sure that they have been produced to strict standards. Next, it's important to find out about the manufacturing process, to avoid products containing harmful or environmentally unfriendly additives. It's also advisable to opt for logs that have been recycled or come from sustainably managed forests. Finally, energy performance and moisture content are two other important factors to consider when choosing densified logs.


The quality of densified logs is a very important issue for the safety and comfort of homes. Quality standards are designed to ensure that the densified logs produced meet performance and durability requirements. The standards cover all aspects of densified wood, including composition, texture, moisture content, colorants and other chemical agents. They also provide information on packaging and storage of logs. Consumers should research the quality standards before purchasing densified wood to ensure that the product purchased meets their expectations for performance and durability.

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