EVO-STIK Linseed Oil Putty can be used for external face glazing of single glass into steel and timber frames which are to be painted and can be regularly maintained. Through setting of the putty in metal frames will be slower than through setting in timber frames. For large areas of steel frame glazing, the use of a metal casement putty is recommended. See Precautions in Use for more information regarding suitable applications for EVO-STIK Linseed Oil Putty