expansion space

Check relative humidity and temperature

Gaps from impingement

Strand bamboo cells

Floor locked in place at heat vent

Expansion space

Viewed at heat vent

Cross stacked

Locked in at heat vent

Gaps

Gaps

Gaps

Gaps

Moisture reading

Restricted from floating as designed

Shrinkage

Fasteners restricting a floating floor from floating

Bamboo Gaps (Strand Woven Bamboo)

Floor Detective® Claims and Conditions Guide

Summary

Bamboo gapping is an appearance-related condition in which visible separations develop between adjacent strand woven bamboo planks. The condition develops from dimensional change associated with moisture loss, environmental fluctuation, or cumulative movement within the flooring system after installation. Although strand woven bamboo is dense and resin-bound, it remains hygroscopic and dimensionally responsive to surrounding environmental conditions. In floating floor systems, movement occurs cumulatively across interconnected planks and may become visible as gaps when shrinkage develops or when movement capacity is restricted. Gap visibility may change seasonally as environmental conditions fluctuate over time. The presence of gaps reflects moisture-related dimensional response and installation configuration rather than surface wear or structural plank fracture. Bamboo gapping alone does not independently establish a manufacturing defect or installation nonconformance. See also Bamboo Cupping, Abnormal Gaps, and Hardwood Floor Problems for broader context.

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