Different Types of Seams and Their Uses on Garments

Definition of seam:
Seam is the combination of stitches which make line to join two ply of fabric. Used as functional purpose. Some time used as decorative purposes. Seams are widely used in modern mass-produced apparel, footwear, house hold textiles and sporting goods which are sewn by different industrial sewing machines. Seam may be hundred types and these types are classified into eight main classes. In this article I have explained 8 types of seam with uses and figure.
Different types of seams
Fig: Different types of seams
Different types of seams in sewing:
Arrangement of fabric ends of the seam line is called seam type. They are classified into following types.
  1. Seam class-1: Super imposed seam
  2. Seam class-2: Lapped seam
  3. Seam class-3: Bound seam
  4. Seam class-4: Flat seam
  5. Seam class-5: Decorative seam
  6. Seam class-6: Edge neatening
  7. Seam class-7 (Attaching of separate items)
  8. Seam class-8 (Single ply construction)
All types of seams are described below:

1. Seam class-1: Super imposed seam:
  • Seam is achieved by two or more separate pieces of fabric sewing together.
  • Most commonly used.
  • The fabric ends are in same direction.
  • The most basic superimposed seam is SSa.
  • It has over 50 variations.
  • This class seam can be sewn a variety of machine. E.g: Lock stitch or overlock m/c.
Uses: Mostly used inside seam like as shirt and pants.
Super imposed seam
Fig: Super imposed seam
2. Seam class-2: Lapped seam:
  • This type of seam is achieved with two or more pieces of fabric over lapping each other.
  • Tow sewn ends of the fabric are in opposite direction.
  • Mostly two needle chain stitch machine is used.
  • Seam under this class is very strong.
Uses: Inside seam of jeans and dress shirts etc.
Lapped seam
Fig: Lapped seam
3. Seam class-3: Bound seam:
  • A bound seam is one piece of fabric encompassing the raw edge of another piece of fabric.
  • The purpose of bound seam is to finish an edge of garment.
  • Some time used as decorative purpose.
  • There are 18 variation of bound seam.
Uses: Neckline of a t-shirt, Yoke joint in the shirt waist band, under wire.
Bound seam
Fig: Bound seam
4. Seam class-4: Flat seam:
  • Flat seam are constructed by having two pieces of fabric meet precisely of their edges.
  • Seam thickness is comparatively less.
  • Zig-zag stitch may be produced.
  • Edge should be cleaned before sewing to avoid trying.
Uses: Intensively used in under garments in knit wear.
Flat seam
Fig: Flat seam
5. Seam class-5: Decorative seam:
  • This type of seam is made by making one or more adjacent stitch lines in one or more layer of fabric.
  • Multi needle sewing machine is used.
  • Seam under this class are produced only for decorative purpose.
Uses: Used in pant or other dresses.
Decorative seam
Fig: Decorative seam
6. Seam class-6: Edge neatening:
  • Seam under this class are produced in such a way so that the fabric ends from out area can not come out during use.
  • It can be used extensively.
  • It can be made by over lock machine.
Uses: Mostly used knitted garments and hemmings.
Edge neatening
Fig: Edge neatening (3 thread)
7. Seam class-7 (Attaching of separate items):
  • These are sometimes called applied seam because they are mainly used to a decorative material to an edge of seam such as lace-elastic.
  • Similar to lapped (class-2) but the joined component is extended limited on both side from sewn line.
Seam class-7
Fig: Seam class-7
8. Seam class-8 (Single ply construction):
  • Mainly one piece of fabric used.
  • This class is commonly used for waist belt and loop belt.
  • The edges of fabric are sewn by folding in various ways.
Seam class-8
Fig: Seam class-8
Conclusion:
By this experiment we have learned about different types of seam and their uses. This knowledge will help us in our professional life.

You can also like:

  1. Different Types of Stitches Used in Clothing
  2. Seam Puckering in Apparel: Six Reasons and Preventions
  3. Fabric Seam Strength Analysis
  4. Fabric Seam Slippage Mechanism, Process and Way to Improve