Floors

Hardwood floor sun fading or discoloration

Uneven color from sun exposure is a slow, cosmetic change that's hard to reverse locally, so the best approach going forward is managing light exposure and, eventually, refinishing.

Difficulty
Easy
Time
Ongoing (management); refinish is a bigger job
DIY cost
$0–$50
Pro cost
$1500–$5000 (refinish)

Symptoms

  • Lighter or darker patches where furniture or rugs used to sit
  • Overall color shift compared to areas under furniture
  • Fading concentrated near windows or skylights
  • Color difference more visible with certain woods (cherry, walnut) than others

Likely causes

  • CommonUV exposure from direct sunlightSunlight breaks down and lightens or darkens wood pigments and finish over months to years.
  • CommonRugs or furniture blocking light unevenlyAreas covered by rugs or furniture age differently than exposed areas, creating a visible outline when moved.
  • PossibleCertain wood species being more UV-reactiveWoods like cherry and Brazilian walnut change color noticeably faster with light exposure.
  • PossibleOlder finish yellowing with ageOil-based finishes naturally amber over time regardless of sun exposure.

What to do

  1. Rearrange rugs and furniture periodically going forward so the same areas aren't always shaded, letting color even out over time.
  2. Use UV-blocking window film or curtains on windows that get direct sun on the floor for extended periods each day.
  3. For a color difference that just appeared after moving furniture, know that unshaded areas will typically catch up in color within weeks to months of even sun exposure.
  4. Avoid trying to spot-treat discoloration with stain, since it's very difficult to blend into an aged finish seamlessly.
  5. For floors with significant, uneven fading across a large area, a professional sand-and-refinish evens out the color and renews the surface.
  6. Consider this a normal aging characteristic of wood floors rather than damage, especially for species known to change color with light.
  7. If discoloration is dark and localized rather than a general fade (like from a spill or pet stain), treat it as a stain issue rather than sun fading.

When to call a pro

Call a flooring refinisher if you want an even, uniform color across a floor with significant sun fading.

Safety

Generally low risk

Generally low risk for a careful person. Stop if anything looks different from what this guide describes.

Related guides

Operator provides AI-generated troubleshooting information. It can be wrong. For safety-critical, electrical, gas, structural, medical, automotive safety, or other high-risk problems, consult a qualified professional.