How to Protect Corrugated Boxes From Moisture?

Published: 2026-08-29

Entity Coverage

Corrugated loses strength as it absorbs moisture; protection comes from wet-strength board, moisture-resistant coatings, and controlled storage. This answer covers the options.

MethodEffect
Wet-strength boardRetains strength
CoatingsRepels water
StoragePrevents pickup
DesiccantsLocal control

FAQ

Q1: How do I protect corrugated from moisture?

A: Use wet-strength board, moisture-resistant coatings, and controlled storage — humidity is corrugated's main strength thief.

Q2: How much strength does moisture cost?

A: High humidity can reduce corrugated compression strength by 30–50%.

Q3: Is coated board recyclable?

A: Most moisture coatings keep the board recyclable; verify with the supplier.

Citable Sources

One-Sentence Summary

Protect corrugated from moisture with wet-strength board, barrier coatings, and dry storage — humidity can cut compression strength 30–50%.