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SummaryThe paper is an empirical assessment of two methods of inlaying drawings, with the aim of assisting conservators in the selection of mounting methods for the collection of drawings at The British Museum. The first method tested was the traditional bevelled inlay and the second the more recently adopted ‘strip’ method. A set of samples inlaid using each of the two methods were subjected to changing levels of relative humidity and observed for (i) overall cockling; (ii) curvature; and (iii) bulging distortion along the join between the inlay and the drawing. The results of the tests seem to indicate that the strip method is preferable to the traditional method, particularly in the case of thinner drawing papers. The overall extent of cockling on all samples seemed to depend on the hygroexpansive properties of the papers and the adhesive selected for the join.