When you equip your home with IWC's superior window and door products you benefit in more ways than one. Our high-performance, Low-E Energy Shield and the new and improved Energy Shield Xtreme glass offer protection from the sun's harmful ultraviolet rays while addressing heat conservation issues. In addition, IWC offers many different glass options such as tempered, argon-filled, laminated, and offers finishes in obscure or tinted glass.
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