Wood treatment plants delivered at highest quality standards

 WTT continues its tradition for developing advanced wood treatment technologies by:

  • innovation
  • unique design philosophy
  • flexibility
  • closed system design
  • working with high industry standards

Please also review our References and Sales and Service.


The WTT thermo-treatment process results in a very durable wood, at low temperatures. The process is gentle and commercially feasible.

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vacuum-drying plant


Gentle, natural wood color and quicker drying with the WTT dryer. This flaw- and strainless drying is suitable for all types of hard woods and big sized soft woods.

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ammonia fuming

Ammonia treatment

Sublime, dark wood shades with the WTT ammonia fuming vacuum-drying plant. This technology represents a safe and environment-friendly plant.

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hot oil treatment

Hot-oil treatment

The process combines an oil treatment with linseed oil with a subsequent drying of impregnated wood. The linseed-treated timber is available in different colours.

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impregnation plant


High-pressure impregnation with contemporary technique for all impregnation processes on water-based wood preservatives for protection classes 1—4. 

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Creosote impregnation

For more than 100 years, creosote has been employed for industrial wood impregnation. It is used for wood, which has to repel strong attacks of rot, fungus and insects.

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Full-automatic system

With the WTT full-automatic system, we provide our customers with a smooth modernized operation process that guarantees top quality and minimizes costs.

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