3M™ General Purpose Masking Tape 234 features a strong backing and a less aggressive adhesive. It is one of our most popular general purpose crepe backed masking tapes and performs exceptionally well in most indoor applications, having proven itself especially useful in window and door manufacturing. - 3M general purpose masking tape 234 is designed to be used in medium temperature paint bake operations. Medium thickness crepe paper backing for strength in demanding paint masking applications.