What does flat lining mean and when to use it. PURCHASE ARTICLE HERE: https://tutusthatdance.com/collections/faq-articles/products/flat-lining What does the term mean? Flat lining is the process of backing your fashion fabric with your lining fabric. Lining fabric for costumes is usually a sturdy fabric such as coutil, drill or duck. The edges are most often sergered together. The double layer is now treated as one. Why use it? Flat lining is used in almost all costume construction. It adds support and strength allowing the pieces to hold over multiple uses, repeated cleaning, and alterations. Methods Cut out your lining pieces, transfer pattern marks to your lining. Marks are on the outside (side nearest the body) of the lining and need to remain seen thru out construction. Method One Pin your marked lining pieces to your fashion fabric using it as your pattern. Be sure to match grainlines. Cut out fashion fabric leaving a wide margin around the edges of the lining pieces. This is called rough cutting, making it easier to have the two pieces exactly the same. Starting on the longest side of each piece, serge. We do not cut off any of the lining pieces when serging. Serge just along the edge. Press Sew the other side. For our method, we do not serge the top and bottom edges. Method Two Pin your marked lining pieces to your fashion fabric using it as your pattern. Be sure to match grainlines. Cut out fashion fabric along the edge of the lining. Starting on the longest side of each piece, serge. We do not cut off any of the lining pieces when serging. Serge just along the edge. Press Sew the other side. For our method, we do not serge the top and bottom edges.