Crowning

Crowning

Crowning

Crowning

Board edges are lower than the centers

Crowning

Crowning

Board centers are higher than the edges

Cupped floor sanded with high moisture crowned after drying out

Crowning

Crowning

Crowning (Hardwood)

Floor Detective® Claims and Conditions Guide

Summary

Crowning is a dimensional distortion in hardwood flooring in which the center of the board is elevated relative to the edges, creating a convex surface profile. The condition reflects differential movement through the thickness of the wood and is not a surface-wear or finish defect. Crowning most often develops after prior moisture imbalance, particularly when a previously cupped floor has been sanded flat before internal moisture levels have stabilized. The visible magnitude of crowning may be influenced by board width, lighting conditions, finish reflectivity, and

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