Why Does My Floor Creak More Than Before Since the Renovation?
The floor, once silent in that exact spot, now creaks with every step since the recent renovation. This sudden change generally has an explanation directly tied to the work done, not a preexisting structural issue that suddenly got worse.
The most common causes of new creaking
| Cause | How it happens |
|---|---|
| Subfloor not fully secured after the work | Movement between boards and joists under the new covering |
| New flooring that hasn't had time to acclimate | Wood or material shifting slightly as it adjusts to the home's humidity |
| Subfloor screws or nails loosened by construction vibrations | Power tool movement that can loosen existing fasteners |
| New gap created by removing a wall or structure | Redistributed weight putting different stress on certain joists |
Why material acclimation matters
New hardwood flooring, for example, should ideally acclimate to the home's ambient humidity before installation, a process sometimes shortened to meet a tight construction schedule. Material installed without full acclimation can shift slightly in the following months until it reaches its natural balance with the environment, producing temporary creaking that often decreases over time.
How to tell normal creaking apart from a structural problem
Creaking localized to one specific area, with no visible floor movement or sagging, is generally tied to normal material or fastener adjustment. A floor that visibly moves underfoot, sags slightly, or whose creaking comes with cracks in the ceiling below deserves more serious attention.
Fixes by cause
For loose subfloor screws or nails, tightening or adding fasteners from below (if accessible, for example from an unfinished basement) often fixes the problem right at the source. For a floor still acclimating, creaking generally decreases on its own over several months with no intervention needed.
When to contact the original contractor
If the creaking appeared immediately after the work and persists without improving, contacting the contractor responsible for the installation, particularly if the work is still under warranty, is the appropriate approach before considering a third-party repair.
Frequently asked questions
How long does hardwood flooring take to fully acclimate?+
Generally a full four-season cycle, though a good portion of the adjustment happens within the first few months after installation.
Can I tighten the subfloor screws myself?+
If you have access to the subfloor from below, like an unfinished basement, it's an accessible project; without that access, a professional needs to work from above.
Can creaking indicate a problem with the joists themselves?+
Rarely for a simple isolated creak, but a floor that visibly sags in addition to creaking deserves a structural evaluation by a professional.
Does creaking always go away over time?+
For normal acclimation-related adjustment, generally yes; for loose fasteners that are never corrected, the creaking can persist indefinitely.
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More to know before your project.
By Catherine Lavoie — RBQ-licensed general contractor, residential renovation specialist
Updated on July 22, 2026