Wood durability and preservation

The wood preservation research is focused on field testing and assessment of new wood preservatives. Strong relations with the impregnation industry and participation in European standardisation activities are part of the work for promotion of environmentally friendly preservative methods and products. We also take part in European collaborative programs in wood preservation and chemical modification of wood. Impregnation of spruce wood is a recently initiated research project.

Field testing
When wood is exposed in moist environments it is subjected to attack by various microorganisms. The process of degradation is dependent on wood species, type of microorganism and environmental factors. Improved durability is obtained by impregnation and chemical modification of wood. We carry out tests on various types of wood products and environments to assess their durability. The tests are performed in the field or in the laboratory. The latter test gives a quick answer on the degradative activities of all types of fungi. The results are always compared to reference samples. Development of new, more reliable test methods is a main field of research. We also carry out identification of the types of decay responsible for the degradation of wood samples from various types of constructions, in-service.

Contact person: Nasko Terziev