Duck tape exterior masking tape 25mm x 50m ducktape 221262 p this exterior masking tape from duck reg tape is both very thin and supple and can be used for precise edges when applying plaster or castings uv resistant with a pe laminated backing the tape is easy to tear in a straight line making it ideal for corners and hard to reach applications it is also waterproof and can be applied up to 3 weeks outside or inside prior to painting for best results remove immediately after paint