Trimming-Excess-Edging Published December 4, 2012 at 400 × 275 in How to Apply Hot Melt Veneer Shelving Tape with a Hot Iron and J-Roller Once the glue has been fixed and cooled, use a razor tool or knife to cut the excess from the edges, forming a microchamfer to keep the edges of the tape from peeling later, if you can.