Cupping

Cupping

Cupping

Cupping

Edges are higher than the center

Cupping

Dry cupping

Edges are higher than the center

Check expansion space

Floor locked in place

Check floor flatness

Flatness issues

Floor temperature

Rh and Temp

Cupping

Cupping

Device Used to measure Sample Change

Sample showing .75 inch curl

Curling

Curling / Edge Lift (Resilient Plank)

Floor Detective® Claims and Conditions Guide

Summary

Curling or edge lift in resilient plank flooring is a condition in which plank edges or ends become elevated relative to the center of the plank. It develops when uneven dimensional movement within the plank creates internal curvature stress between the upper and lower portions of the product. That imbalance may be influenced by environmental exposure, substrate moisture, chemical interaction, product construction, differential support, or repeated service stress. Curling may appear as raised long edges, end lift, or a rippled surface appearance and may be present at installation or develop during service. The presence of curling alone does not i

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