A method of joining at least two parts by adhesion is provided, the method including arrangement of a porous layer in the adhesive joint for taking up excess adhesive outside the adhesive joint as such. An element is also provided—including in particular a blade for a wind turbine—which is combined by adhesion of several parts, and wherein a porous layer is at least partially comprised in and at least partially protrudes from the adhesive joint between the parts and takes up excess adhesive outside the adhesive joint. The porous layer may be of a mesh-like structure or may have the structure of a sponge and may furthermore be entirely or partially pre-impregnated with adhesive.