Pattern elongation

Pattern elongation

Pattern elongation

Pattern elongation

Pattern elongation

Pattern elongation

Pattern elongation

Pattern elongation

Pattern elongation

Pattern elongation

Pattern match

Pattern elongation

Pattern Elongation / Pattern Run-Off (Carpet)

Floor Detective® Claims and Conditions Guide

Summary

Pattern elongation, also referred to as pattern run-off, is an appearance-related dimensional condition in which the length of a carpet pattern repeat varies between rolls or breadths. Pattern elongation describes measurable change in repeat spacing along the machine direction, while pattern run-off describes the visible seam misalignment that results when adjacent breadths do not align during installation. The condition typically develops during manufacturing because of unequal linear tension or dimensional stabilization during processing and may become more visible depending on installation layout and seam placement. Pattern elongation affects visual alignment only and does not independently indicate loss of structural integrity or durability. Acceptability is determined by measured variation compared to manufacturer-published tolerances. See also Bow, Skew, and Carpet Problems for broader context.

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