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Springy Engineered Floors Over Floorboards (Floating)

I have had an engineered wood flooring laid over floorboards. I think the planks were tongue and grooved and glued together. The problem is in a couple of areas the boards are very very springy and creaky. I am worried that this will get worse over time. Am I worrying about nothing or does this need correcting?

Floating wood floor installations as the one described allow lifting of planks locally. Springy floors will indicate for unevenness in the subfloor. Uneven level of floorboards usually comes from deformation of joists, which normally is corrected at that level, by fitting new levelled support to existing joists and relaying the boards or having ply or chipboard installed.

Any other local corrections (below the engineered planks) may have an effect or may not.

Creaking noise is coming for looseness in boards or even more likely by cracked / weak boards. Such issues, which are a problem before laying new wooden floors will often not be a problem after laying floors on top. It depends on the geometry of the issues though and therefore refitting of the boards prior to any wood floor installation is always recommended.

There is no easy advice in such situations, especially if floors were recently laid. Possible solution (but depends on the subfloor decline) may be lifting 2 or 3 planks and fixing the surrounding planks with secret nailing close to the subfloor, so they take the level of the subfloor. Then closing back the floors. The exercise may be used as well to refit exposed floorboards as well to reduce creaking.

Our Flooring Topics:

 Wood Floor Sanding
 Wood Floor Finishing & Staining
 Stairs Stripping & Restoration
 Installation of Engineered Flooring
 Installation of Reclaimed Flooring
 Moisture and Water Leaks Damaged Floors
 Installation of Solid Wood Flooring

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