Hardwood Floor Repair Guide: Fix Anything Without Replacing
Nearly every hardwood floor problem is repairable without full replacement. Board weaving, cupping flatten-and-refinish, deep pet-stain removal and squeak fastening are all everyday work for a skilled hardwood contractor.
Damaged boards
Individual boards can be woven out — we cut the damaged sections out cleanly, mill new boards to match, and blend the repair into the surrounding floor before refinishing.
Cupping and crowning
Cupping (edges higher than center) is a moisture problem. Fix the source, let the floor stabilize, then sand flat. Crowning (center higher than edges) means the floor was sanded while still cupped — same fix, more patience.
Pet stains
Surface stains sand out. Black pet urine stains that soaked into the wood may need board replacement or oxalic-acid bleaching before refinishing.
Squeaks and gaps
Squeaks fasten from above or below. Gaps that appear seasonally are normal humidity movement; permanent gaps can be filled during refinishing or, for wide gaps, laced with slivers of matching wood.
Quick answers
- Can water-damaged hardwood be saved?
- Often yes. If the damage is localized and the subfloor is intact, we replace affected boards and refinish the room. See our water-damage repair page for the full process.
- How much does board replacement cost?
- Individual board weaves run $75–$200 per board depending on species and matching complexity, plus refinishing.
- Can you match old floors?
- Yes. We source or mill boards to match species, grade and width, then blend stain and finish into the surrounding floor.
Written by
Daniel Santos
Owner, CDS Hardwood Floors
Daniel Santos is the owner of CDS Hardwood Floors and has spent 15+ years sanding, staining and installing hardwood in Maryland, Virginia and Washington DC homes. He personally walks most projects, specializes in HEPA-contained dustless sanding, premium water-based finish systems and custom installations, and believes homeowners make better decisions when the process is explained plainly before a single board is touched.
Looking for hardwood floor repair in Maryland?
CDS Hardwood Floors handles this work every week across Gaithersburg, Montgomery County and the wider DMV.