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The “material” difference <br />Consider all you expect windows to do for your <br />home—Fibrex® material makes a difference in every <br />instance. Measured across a range of conditions that <br />affect the efficiency, maintenance and beauty of <br />windows, Fibrex® material performs well compared to <br />vinyl, aluminum, fiberglass, and wood. Take a look and <br />we think you’ll agree—replacement windows made of <br />Fibrex® material are the right choice for your home. <br />Stable and predictable <br />Fibrex material is twice as stable and rigid as vinyl. <br />Wood’s average stiffness is higher, but it’s less predictable <br />than Fibrex® material because of wood’s natural <br />variations like grain, knots and moisture content. Fibrex <br />material is strong so frames can be made narrower than <br />with other framing materials. Narrower frames mean <br />more glass, more view. Fibrex material can be made <br />into any style of window—including curved specialty <br />windows—and in colors to complement every home. <br /> <br />400,000 <br /> <br />800,000 <br /> <br />1,200,000 <br />Average modulusStiffness <br />psiFibrex® Material <br />807,600 <br />Vinyl <br />385,800 <br />Pine <br />1,213,000In/In ºF x 100.0 <br />1.0 <br />2.0 <br />3.0 <br />4.0 <br />-5Thermal Expansion <br />1.57 <br />.25 <br />1.18 <br />3.42 <br />AluminumPineVinylFibrex Material® <br />An excellent insulator <br />Fibrex material has excellent insulating properties on a <br />par with wood, vinyl or fiberglass. Aluminum, on the <br />other hand, transfers heat out of your home and allows <br />outdoor cold temperatures to chill the window areas <br />inside. Fibrex material insulates about 700 times better <br />than aluminum.BTU/hr. ft.ºF0.00 <br />0.30 <br />0.60 <br />0.90 <br />1.20 <br />AluminumPineVinylFibrex Material <br />.13 .10 .07 <br />Thermal Conductivity 92.00 <br />® <br />Decay-resistant <br />With Fibrex material, a special polymer formulation <br />surrounds and coats each wood fiber in the <br />manufacturing process, providing exceptional <br />resistance to rot and fungal growth. Renewal by <br />Andersen’s windows, made with Fibrex material, never <br />need scraping or painting because they are warranted <br />not to flake, rust, blister, peel, crack, pit or corrode.* <br />0 <br />10 <br />20 <br />30 <br />40 <br />50 <br />% Weight loss due to decayUntreated PineTreated PineVinylFibrex® Material <br />0%0% <br />10% <br />50%Decay of Materials <br />For additional information on Renewal by Andersen® <br />products and services, please visit our Website at renewalbyandersen.com <br />“Renewal by Andersen” and the Renewal by Andersen logo are registered <br />trademarks of Andersen Corporation. All other marks where denoted are <br />trademarks of Andersen Corporation. © 2008 Andersen Corporation. All <br />rights reserved. Rev. 11/08 <br />Reorder RL-2001 <br />Durable and reliable <br />Fibrex material, like wood, fiberglass and aluminum, <br />expands and contracts very little. Vinyl, however, expands <br />and contracts a lot, which can cause cracks, bowing and <br />leakage of air and water. Fibrex material windows will <br />perform better in every season no matter how cold the <br />winters or how hot the summers in your area. <br />* See the limited warranty for details.