Telegraphing sub-floor

Telegraphing sub-floor

Telegraphing sub-floor

Telegraphing sub-floor

Check for flatness

Telegraphing sub-floor

Telegraphing sub-floor

Height variation

Telegraphing sub-floor

Telegraphing sub-floor

Subfloor inspection

Telegraphing (Resilient Plank & Tile)

Floor Detective® Claims and Conditions Guide

Summary

Telegraphing in resilient plank and tile flooring is the visible transmission of underlying substrate irregularities through the finished surface after installation. Bonded systems commonly conform closely to substrate contour following adhesive cure, while floating or loose-lay systems may reflect uneven planes depending on product rigidity, support continuity, and loading conditions. The condition reflects substrate profile influence rather than dimensional movement within the flooring material itself. Visibility may increase under directional or reflective lighting and may become more noticeable as service loading accentuates high and low areas over time. The presence of telegraphing does not independently establish product defect or material failure. Proper evaluation requires correlation of visible pattern repetition, measurable substrate deviation, installation method, support conditions, and lighting environment. See also Curling / Edge Lift, Buckling Resilient Flooring, and LVT and SPC Floor Problems for broader context.

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