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Austrian field test method for anti-sapstain chemicals
1994 - IRG/WP 94-20020
Although Austria is a small country, the annual consumption of anti-sapstain products ranks to approximately 500 tons annually. In 1994, only three products will be approved by the Austrian Wood Preservation Committee (AWPEC). There is demand for a field test method, which demonstrates the efficacy of an anti-sapstain product and consequently implies the acceptance and approval of product by the A...
R Gründlinger, M Brandstätter, H Melzer, O Janotta


Practical testing of wood preservatives to prevent weathering damage and infection by micro-organisms on spruce and pine
1989 - IRG/WP 3530
Brush application, is generally used to prevent wooden window frames from decay caused by influence of weathering and fungi. Accordingly 10 boards of pine (Pinus sylvestris) and spruce (Picea abies) were treated with 10 commercially used wood preservatives. The efficiency of fungicides by using chiptest and blue stain test (EN 152), the effectiveness against weathering as well as the course of col...
R Gründlinger, O Janotta, H Melzer, K Messner


Contradiction between uptake of preservative in practical situation and laboratory testing
1992 - IRG/WP 92-2392
By brush treatment water- and solvent-based products were applied on boards of Scots pine and Norway spruce to achieve an uptake of 100 and 200 g/ml. In addition the scope of work to achieve the required uptake of preservative was determined under practical conditions for both product groups. EN 113 (RAL-GZ 830) tests were carried out to test the biological efficacy of products. After 18 months ex...
R Gründlinger, O Janotta, M Melzer


Field evaluation determining the toxic effect and diffusion properties of Impel, Improsol and TBTO-capsules in L-joints (spruce) for pretreatment application
1991 - IRG/WP 3641
Bonded joints (L-joints and T-joints) are especially at risk from water absorption (rain, condensation) over bare, unprotected radial wood surfaces (joggle joints). It is therefore quite certain that lasting protection against fungi attack cannot be guaranteed in the long term if the surface of coating is damaged. Therefore, in a field investigation, using L-joints (spruce) over a total period of ...
R Gründlinger, K Messner, O Janotta