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The Effects of UV Light on Various Types of Hardwood Floors

Posted By Ethan On August 27, 2009 @ 7:00 am In Flooring,NotIndexed | 7 Comments

Carpet on hardwood floor If you’ve just finished installing hardwood floors [1], or are in the market, you should know that hardwood floor may change color. Sunlight affects each wood species differently, but most will darken over time until it’s fully seasoned. This post will focus on how sunlight will affect your floor so you can make in informed choice.

Discoloration Caused by Sun Light

Sunlight contains Ultraviolet type A and type B rays (UVA & UVB). These rays can bounce off water, sand, and even penetrate glass. Many people know that UV light can cause skin cancer, but it can also change the color of furniture, carpets, hardwood flooring and artwork. In short, UV light can cause your furnishings to take on a prematurely aged look.

UV Effects on Hardwood Flooring

UV light causes wood to change color, especially exotic species. Depending on your type of wood, UV exposure may lighten or darken your flooring, but most tend to darken. The effects are very evident where area rugs or furniture cause an uneven change in color. Typically, color changes occur more rapidly at first and are indistinguishable after 3 – 6 months (depends somewhat on exposure).

It’s tough to find the effects of UV light on specific wood species. I’d encourage readers to comment with their own experience.

  • Cedar - sunlight bleaches out unfinished cedar floors and causes them to darken after a finish is applied.
  • Brazilian Cherry - darken relatively quickly.
  • American Cherry – darkens to a deep red.
  • Teak – turns darker brown.
  • Yellow / Red Oak – slightly lighter over time.
  • Maple - lighten over time.
  • Brazilian Walnut – darkens causing a more uniform look.
  • American Walnut – lightens over time (nathalie comment).
  • Brazilian Ash – little change over time.
  • Purpleheart – turns more of a brown.
  • Tigerwood – darkens quickly! (nathalie comment)

UV Window Films Protect Hardwood Flooring

One way to counteract UV rays is to block them. If you prevent them from entering your home, they can’t damage your hardwood floors. New windows [2] have lots of innovative features like double and triple pane glass, inert gas insulation, and non-conductive window frames. UV blocking films are an important feature you should consider when replacing your windows.

These films can also be installed on pre-existing windows. You can opt to have a professional install them, or tackle the project yourself. Either way, UV films [3] not only protect you and your family, but they also protect your home and furnishings by blocking up to 99% of these rays.

What do you think? Has your floor changed color? Do you have a UV coating on your windows?
Image courtesy of back_garage [4]


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URL to article: http://www.oneprojectcloser.com/uv-light-changes-hardwood-flooring-color/

URLs in this post:

[1] installing hardwood floors: http://www.oneprojectcloser.com/hardwood-floor-installation-tools-nailers-saws-compressors-more/

[2] New windows: http://www.oneprojectcloser.com/replacing-windows-options-and-features/

[3] UV films: http://www.gilafilms.com/

[4] back_garage: http://www.flickr.com/photos/back_garage/3650070351/

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