What Is Delaminated Wood?

Delaminated wood, also known as separated or split wood, occurs when the layers of wood separate or detach from one another. This can happen parallel or perpendicular to the grain, depending on the type of wood and the cause.

Here are a few common reasons why wood delaminates:

Moisture Content: Wood is hygroscopic, meaning it absorbs and releases moisture from the environment. When wood absorbs too much moisture, it can cause the fibers to swell and weaken. This can lead to delamination, especially if the wood dries out too quickly afterward.

Glue Failure: If wood is glued together using an inappropriate adhesive or inadequate bonding techniques, the glue joint can fail. This can cause the layers of wood to separate over time.

Internal Stresses: Wood can develop internal stresses during growth or due to processing and construction methods. These stresses can manifest as delamination if they are not properly managed or relieved.

Mechanical Damage: Physical impact, excessive force, or damage during installation or use can also cause delamination.

Depending on the extent and location of the delamination, it may be possible to repair the wood using adhesives or other techniques. However, in some cases, the damage may be too severe, and the affected wood may need to be replaced.

To prevent delamination, it's important to control moisture content, select the appropriate adhesive and bonding methods, properly relieve internal stresses in the wood, and minimize physical damage during handling and use.