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Do I need to add UV blocking film to my windows? ~Carrie

Glad you asked this, because I’ve got some interesting facts for you! While film coverings have been manufactured to block damaging UV rays from passing through your windows, you may want to check the UV effectiveness of the window glass you have now. Especially if your windows are newer.

As you know, UV (ultra violet) rays are quite harmful, not only to our skin but to the fabrics and furnishings inside our homes, too. Fabrics will fade when exposed to UV rays for long periods.

Now, there are claims that would lead you to believe that 60% of UV rays can still pass through energy-efficient windows with Low-E glass. This is simply not accurate.

Low-E glass windows are highly effective at blocking out UV rays.

In fact, Andersen’s High-Performance™ SmartSun glass blocks out 95% of damaging UV rays, regardless of the type of window you purchase—casement, awning, double hung or gliding!

Which means you don’t have to go out and buy another product for your windows when the right choice of energy-efficient window can do an excellent job for you.

When reading the spec sheets for windows, you will want to make note of the ratings for TUV (Transmission Ultra-Violet Energy) and the TDW (Transmission Damage Function) that measure UV factors. The lower percentages indicate less fading potential.

But if you want a more technical look at this UV issue, check out my article. Not too techie, mind you, but it will give you an idea of how the testing is done and what’s important to look at in terms of the UV specifications when comparing and reviewing replacement windows.

Gerry Rogers About Gerry Rogers

Gerry Rogers is the President of Mr. Rogers Windows

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