High Rows and Low Rows
High Rows / Low Rows (Carpet)
Floor Detective® Claims and Conditions Guide
Summary
High rows and low rows are manufacturing-origin appearance conditions that occur when one or more tuft rows are produced at a different pile height than adjacent rows during tufting (yarn insertion) or finishing. Variations in yarn tension, needle position, or shearing (surface trimming) consistency result in uneven pile height aligned in the machine (lengthwise manufacturing) direction. The condition is established during production and affects visual uniformity rather than durability, tuft bind, or functional performance. Visibility is influenced by l
Carpet Problems
April 4, 2026
Carpet problems are conditions that affect appearance, texture, or performance of carpet flooring.
Read More
Carpet Fiber Identification (Field and Laboratory Methods)
February 22, 2026
Carpet Fiber Identification (Field and Laboratory Methods) Floor Detective® Claims and Conditions Guide Summary Accurate carpet fiber identification is a...
Read More
Wool and Wool Carpet Properties
December 27, 2025
Wool carpet properties include moisture sensitivity and chemical reactivity that affect appearance and performance.
Read More
Carpet Beetle Damage
December 13, 2025
Carpet Beetle Damage (Carpet) Floor Detective® Claims and Conditions Guide Summary Carpet beetle damage is an environmentally driven condition involving...
Read More
Fiber Properties
May 12, 2023
Fiber Properties (Carpet) Floor Detective® Claims and Conditions Guide Summary Fiber properties describe the inherent physical and chemical characteristics of...
Read More
Missing Row
December 15, 2022
Carpet missing row is a condition where one or more yarn rows are absent during tufting, resulting in visible line...
Read More
Wrinkles in Backing
March 13, 2021
Carpet backing wrinkles are a condition where backing layers become distorted and may affect surface appearance.
Read More
Unraveling / Runs (Carpet)
March 13, 2021
Carpet unraveling runs are a condition where yarns are pulled out in lines due to mechanical interaction.
Read More
Core Crush / Roll-Core Pile Reversal (Carpet)
March 13, 2021
Roll-Core Crush / Pile Reversal (Carpet) Floor Detective® Claims and Conditions Guide Summary Roll-core crush, sometimes called a tube line,...
Read More
