While the globalization of the styles and ideas has smoothed geographical and cultural borders,the contemporaryJapanesearchitecturehasretainedaverydistinctive style.SANAAisaninternationallysignificantandprize-winningfirmofarchitectswhose works seem to exemplify this kind of architecture.Some of the distinctive features of their work are simplicity, transparency and formal austerity,as well as a peculiar ambiguity in the expression of materiality. What role does the materiality play in creating something uniquely Japanese out of modern architecture? Through a case-study of Louvre-Lens Museum, the paper investigates the role that materiality plays in realising the Japanese aesthetics, focusing primarily on two key material features that have be...