Soft spots, squeaks and water damage under floors need subfloor repair before any new flooring goes down.
In this article
Signs
Soft spots, squeaks and stains.
Find the cause
Leaks must be fixed first.
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Replace sections
Cut out damaged areas cleanly.
Fasteners
Screws reduce future squeaks.
Partners
Flooring installers find these problems.
Common mistakes
Covering damage, ignoring leaks and weak joints between panels.
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Frequently asked questions
How do I know if a subfloor needs repair?
Soft or bouncy areas, squeaks, uneven floors and past leaks are common signs. Inspect from below when possible.