VIDEOClick to see full answer. In respect to this, how can I add fabric to a dress to make it longer?Repeat on both sides. Decide how many inches you want to add to the dress and then add 1″ to that for the hem. Trim the bottom to your length. Now, sew the two side seams together on your extender fabric and hem the bottom by folding over 1/2″ twice and sewing in place.Additionally, does Super Glue work on fabric? Yes, as long as there is no flex. For fabric, sewing with quality thread is far superior to Super Glue. Additionally, can I use fabric glue instead of sewing? Fabric Glue. There are two great ways to attach fabric without sewing: fabric glue or a fusible bonding tape like Dritz Stitch Witchery. If you have a sewing machine, sewing is often still the fastest and most reliable method for many projects, but fabric glue or Stitch Witchery are great alternatives.What is best fabric glue? Beacon Fabri-Tac Permanent Adhesive A staple for skilled designers for years, Fabri-tac is the best fabric glue for clothes since it does not soak into the threads and does not require heat to apply.