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During a wood flooring installation, difficulty in coupling tongue with groove may be experienced on engineered wood flooring. This problem is more often reported by DIY installers than professionals fitters, who usually find a way to resolve the solution.
There are a number of potential causes that may arise when coupling tongue and groove. These are as follows:
In order to accurately diagnose the problem with the aim to finding the best solution, it is advisable to carry out a number of checks. Firstly, you must check the boards are not bent or twisted prior to any installation.
Once checked, cut a few of the pieces of the board to a shorter length than the others, and attempt to assemble the flooring. If the tongue and groove does fit together correctly, the likely cause of difficulty may be the bending of the board shape, an uneven sub-floor, or debris. If the short pieces do easily not fit together, the tongue and groove fit is faulty, or the product has expanded in-situ.
If the tongue and groove fit is slightly tight, fold a piece of sand paper over the tongue and run it up and down a few times.
Follow this by brushing off the excess dust. This will often ease the fit causing fewer difficulties.
The following step involves the application of an adhesive to the top side of the tongue where the flat part of the tongue meets the vertical portion of the profile.