Peaking end joints

Peaking end joints

Steel ruler shows peaking

Peaked ends

End Lift / Ski Jump (Engineered Flooring)

Floor Detective® Claims and Conditions Guide

Summary

End lift, commonly referred to as ski jump, is a dimensional condition observed in engineered wood flooring in which plank ends deviate upward from the intended flat plane. The condition reflects differential movement within the layered construction of the engineered plank and is commonly influenced by moisture imbalance, environmental cycling, attachment restraint, or broader system interaction rather than a surface finish irregularity. Because engineered flooring is constructed of bonded layers with differing grain orientations and material properties, localized stress can concentrate at plank ends when

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