Overview and Problem Statement The Czech University (CZU) Department of wood processing and Biomaterials is a partner to the construction industry, providing a service for the evaluation of commercially available wood coatings and stains. Services are used by manufacturers of wood coatings and wood stains that are used in the building industry and by the companies who use these stains and varnishes in the construction industry. Another industry that uses these services is the Automotive sector, which uses wood laminates on interiors which are always stained and or coated for protection.