What is the difference between float and interlacement in woven fabric?

interlacement and float in woven fabrics

Interlacement is a common term used to explain weaving structure. Where a float is considered as a fabric fault. The difference between a float and the interlacement is explained in this post using four parameters – by definition, occurrence, cause and effects. 


Floats are occurred when a weft yarn passes over a cluster of warp yarn or vice versa. For some type of fabric design (woven) floating of warp yarn is desired effect.

Interlacement is the process by which woven fabric is produced by placing warp and weft on above the other normally at right angles.


Floats is a fabric are usually found at the back of the fabric.

Interlacement of yarn is found throughout the fabric as fabric is formed using interlacement of two set of yarns (warp and weft). Through the interlacement different fabric designs are formed line plain weave, matt weave, twill weave, etc.


Float in fabrics is mainly caused due to slack warp, faulty pattern card or sticky warp ends.

Interlacement is caused by the interweaving of the warp and the weft yarns normally at right angle.


A float is a common weaving defect (fault) and the frequent occurrence of this produces faulty and undesirable fabric.

Interlacement of two sets of yarns namely warp and weft yarn produces proper fabric without any fault.

Diagram of float and interlacement 

In the following two diagrams the interlacement and float is shown. 

Woven structure
This question is answered by Agniv Chatterjee.

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