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Unevenness of Edges in Wood Structural Panels and Thin Underlayment

Customer Service Tip

Wood panels will sometimes experience “telegraphing” at the edges. When this occurs, ridges may become visible in the roof, floor, or wall finish materials over top, creating an uneven appearance.

This publication is designed for: builders, contractors

This publication describes proper fastening techniques and other installation and specification strategies to avoid uneven edges on wood panel projects.

Key sections include:

  • Proper fastening recommendations

  • Additional considerations

  • Additional APA references

Published by APA — The Engineered Wood Association.