Minimisation of the Environmental Impacts of Coatings on Exterior Wood by Optimisation of their Life Spans

IRG/WP 03-50197

L Strömberg

The study has shown that the environmental impacts from coatings on exterior wood are dependent criteria on their life spans. A minimisation of the environmental impacts can be performed with the help of the integrated design model, which is tested in this study. The optimal life spans, found as reference service lives from the exposure tests, statistical evaluation and the assessment of experts were used for forecasting in Life Cycle Assessment of the coatings on exterior wood. The integrated life cycle design, performed in this study, showed that the water-borne acrylic coating and the water-borne acrylic stain are the best choice as regards the integrated assessment of the environmental impacts and service lives of the coatings. The discussed coating systems are a solvent-borne alkyd coating, a water-borne acrylic coating, a water-borne acrylic stain, a solvent-borne alkyd stain and an alkyd oil.


Keywords: Coatings, environmental impact, life cycle assessment, reference service life, integrated life cycle design, product design and development

Conference: 03-05-18/23 Brisbane, Australia


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