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Sustainable wood protection with living surface fungi

a concept with perspective

Sustainable wood protection with living surface fungi

a concept with perspective

Samenvatting

Concepts to protect wood from factors like ultraviolet (UV) radiation, water and wood-decaying fungi with the help of fungi exist in different variants. The idea to treat wood with the help of linseed oil and the living fungus Aureobasidium pullulans originated in 1996 during an European project assessing sustainable protection systems (Sailer et al., 2010). At that time, wood impregnated with natural oils resulted surprisingly in an evenly dark colored surface. These color changes were usually associated with irregular discoloration and staining and were further investigated. It has been shown that the fungus Aureobasidium pullulans was growing on surfaces treated with linseed oil. The fact that Aureobasium pullulans reproducibly grows on water repellent linseed surfaces in many regions around the world makes it suitable for use in a wide range of applications.
Research did show that Aureobasidium pullulans produces pigments and binders on its own. This contribution documents the investigation to, identify the possibilities of biological wood surface treatment with Aureobasidium. The combination of the hydrophobizing effect of linseed oil and the surface treatment with the so-called biofinish creates an aesthetically appealing dark living surface, which significantly prolongs the life of wood outdoors and reduces maintenance costs.
Since the idea has been developed into an industrially applicable process (Xyhlo biofinish, 2018).
Using this concept, building components e.g. façades can be protected with a biological and functional coating thereby contribution to lessen the environmental impact of buildings.

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Trefwoorden
OrganisatieSaxion
AfdelingAcademie BBT
LectoraatSustainable Building Technology & Material
Datum2018-06-01
TypeConferentiebijdrage
TaalEngels

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