Zippering of Carpet - Causes of the Problem

Zippering is one of the most common problems with loop-pile carpet.

Zippering is the ripping out of a row of loose carpet loops

Carpet Roll Crush may occur during shipping where rolls are loaded several rolls high.
Delamination is the separation of the primary and secondary backings.
Pooling also known as Carpet Shading, Watermarking, Pile Reversal
Rippling is usually due to failure to power stretch the carpet.

Zippering occurs in a loop pile carpet in which tufts are pulled from the backing resulting in long, lengthwise pulls out of the carpet.