Expansion is something that happens with flooring material that contains wood, as the material absorbs and releases moisture. Expansion and contraction can cause multiple problems if installers do not address them during the installation process. This important perimeter of space is the solution to preventing laminate flooring from squeaking, separating, lifting, buckling, gapping, and more.
Expansion space is the space installers leave around walls and other fixed objects to allow laminate flooring to move. Generally, the expansion space should be anywhere from 1/8” to 1/4″, depending on the manufacturer’s instructions for their specific products.
In any case, the space should not be any wider than the decorative molding or door bases that are used along the walls to hide the gap. With a proper expansion space, laminate flooring will be able to expand and contract without long-term problems.
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