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Squeaking Caused by Movement of Wood Floors


This is when the flooring makes a squeaking sound, with only certain areas being affected and not others.


Squeaking can occur when there is excessive vertical movement in the floor. This may lead to joints moving onto each other, which creates the actual squeaking sound you may hear by. Excessive vertical movement may occur because joist or battens are situated too far apart. This is caused by the timber base on which the flooring has been laid, is too thin or flexible. Additional causes include the fact that header joints are situated too closely together or that there is a lack of evenness with the sub-floor.

Seasonal expansion of flooring after an installation can cause the board joints to suffer from increased pressure which may result in the flooring suffering from squeaking where it previously was unaffected. In floating floors spot gluing the tongue and groove rather than applying a full layer can contribute to squeaking where there is unevenness in the sub-floor.

When secret-nail fixing tongue and groove flooring, it is only the closeness of the fit between the tongue and groove on the groove side of each board that stops vertical movement, and the accompanying squeaking. Fully bonding with adhesive should reduce the chances of this from happening.


In order to find the best solution for the affected areas of flooring, you must correctly identify the problem. It is important to know whether:


Where there are large amounts of squeaking, floors may require replacement. If there is localised squeaking, the appropriate course of action should be to inject an adhesive between the floor and sub-floor. We advise you follow this up by weighting during the curing of adhesive, which may resolve the problem.

Alternatively, there are a number of things you can do in order to help the cause. This includes screwing the flooring down tight from below, face nailing or screwing and plugging from above.

Where there is significant movement or gaps between joints, you could use talcum powder to put into the joints. The vertical movement of the flooring elements help the powder to penetrate into joint. This may need to be repeated several times for best results.

Alternatively a small quantity of lubricant can be used at the joint in order to reduce squeaking. Using oils will contaminate the floor for future refinishing.

An effective method is to use dehumidification to increase space between the flooring elements at the joints. Proceed by sanding and applying a generous amount of low viscosity maintenance oil. This should penetrate between flooring elements. Complete the process by applying a regular finishing oil.


Squeaking Caused by Movement of Wood Floors