Renewal by Andersen® Replacement Windows in Kansas City! Our factory-trained staff is deeply experienced and fully certified in the installation, design, and repair of our products. This gives us access to a wide selection of the highest quality replacement windows and doors on the market. And thanks to the continued innovation of the national Renewal by Andersen® brand, we are constantly on the cutting edge of replacement technology. The latest advances in window and door design have moved beyond wood or even vinyl. Fibrex™ is the new leading choice for strength and energy efficiency, and it is exclusive to Renewal by Andersen® of Kansas City. With a Fibrex™ window you can mimic the look of wood, vinyl, and other window materials without having to worry about the constant maintenance and repairs that such materials require.