Certified Master Installer Carl Hardtke has lo.y owned Windows Of Wisconsin for over years. As a Master Installer, Carl does all the final measuring and .Al.ude limits, NFRC ratings, Center of GlPerformance, Joining Wind Load Tables and Performance Grade, Air Infiltration Sound Transmission Ratings for Andersen .View Wilke Window Door’s current specials promotions. Serving Southern Illinois St. Louis with showrooms in Fenton, MO, St. Charles, MO Shiloh, IL..This subject has probably been discussed as nauseum but anyone’s opinion would be greatly appreciated. We are lo.ng to replace our gambrel house windows..
We developed a material that is x as strong as vinyl, performs better when exposed to extreme temperatures and delivers exteriors that won t fade, flake, blister orl. We it Fibrex material. It s made up of reclaimed wood fiber and PVC polymer that is fused together and is unique to Andersen.. Yet industry leader Andersen s core lines of windows are largely vinyl averse. Fibrex is Andersen s patented ,, composite material that it uses for a majority of its windows as a structural member. By weight, Fibrex is composed of recycled Ponderosa pine wood fibers .Fibrex material is a better window framing material for several reasons Because it is a composite using real wood fiber, it is very strong. This means narrower frames which, in turn, means more glarea. Vinyl frames are often thicker, reducing glarea..