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Abstract
The practice for roof membranes for flat and low-slope roofs has substantially developed during the last two decades of the twentieth century. New technical solutions have been introduced and building codes and guidelines have been changed.
The development of technical solutions preceded the scientific work. However, the scientific work did help to develop the technical practice for enhanced performance. The development described in this paper has much in common with recently published EOTA-guidelines regarding "Assessment of service life".[PUBLICATION ABSTRACT]





