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What is delamination?
Delamination happens when the bond between one or more layers fails. This can happen in isolated areas, or throughout the entire wall panel.
Why does delamination occur in an RV?
In many cases a leak path opens allowing water to enter the wall. Typically this happens adjacent to windows, vents, lights, roof lines, etc. Age, quality of the original workmanship and materials, vibration, and exposure to the elements are factors related to water intrusion. We typically see a situation where water breaks down the glue that bonds the layers of the Luann plywood.
How can you spot wall delamination?
Look at the wall from an angle and check for bulges or bubbles. Most sidewalls are not perfectly flat, so this can be tricky, however, the bubble can be worse when the wall is in direct sunlight due to the de-bonded material expanding at different rates. Next, tap lightly on the wall with a plastic screwdriver handle, solid areas and delaminated areas sound different.