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What is firewood grafting?

What is firewood grafting and how to carry it out? Steps, power selection, drying, defects and safety. Comparison of wood splitter, cutting-splitting machine and excavator splitter.

October 1, 2025
wood splitter

Why wood grafting is important

Wood graftingis the process of separating wood fibers to form logs of suitable size from the log for drying and burning. Properly grafted pollen they dry faster, burn more evenly and are safe to handle. If you are choosing a machine for the first time, read first guide: Wood splitter - types, power, drives and mandatory security: The 5 most important safety rules.

How vaccination is done - basic steps

1) Preparation of wood and time

Harder deciduous trees (oak, hornbeam, acacia) require more force than softer conifers (spruce, fir). Fresh wood is often easier to split, but must dry by the time of burning.

2) Preparation of the workplace

You need flat, dry base and a clear path for the removal of logs (pallets, trolley). Glasses/visor, gloves and safety footwear are mandatory. In detail in the blog about security.

3) Vaccination

Pollen align with the axis of the wedge, avoid lateral loads. For knotty cuts, graft from the “softer” side or in layers. Two-handed operation do not turn off on the machine.

4) Conclusion

Pollen customize length of the stove/fireplace. Equal dimensions = uniform drying and burning.

Tools and machines: what to use?

  • Hand Tools (ax, wedge) are slow and physically strenuous.
  • Wood splitter (Holzspalter)- hydraulic or electric machine that quickly and safely splits logs; they are available vertical, horizontal and combined wood splitters.
  • Slitting and splitting machine- for batch preparation: cuts and splits in one process.
  • Hydraulic splitter for excavator (excavator splitter) - e.g. BearSplitter; ideal for very large diameters and field work (the operator remains in the cabin). More in the article Smart way to split firewood - BearSplitteror on bearsplitter.com.

Drying and storage

Fold the logs on Ventilated placer aised from the floor (pallets/slats). Cover the top, the sides should breathe. Highlight month/year. Conifers dry faster, harder deciduous trees take longer - plan your stock in advance.

Learn more about dredge wood splitters

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