wood anatomy
UV Exposure — The Sun's Effect on Wood Floors
Ultraviolet light from windows and skylights that gradually changes the color of wood and oil-based finishes.
Published
What it is
UV exposure darkens or warms most woods (oak, cherry), lightens some (walnut), and yellows oil-based polyurethane finishes. The effect is cumulative over years and creates visible differentials under area rugs and furniture. See Ambering for the full explanation.
Why it matters for your wood floors
This entry is part of our complete glossary covering every term homeowners, realtors, and contractors encounter when dealing with wood floor cleaning, recoating, and refinishing. For full context, see our main guides on recoating, chemical abrasion, and the services we offer.
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