Twice as strong as vinyl, Fibrex material indicates weathertight seals stay weathertight. Its long lasting nature ways that it can withstand even the most extreme temperature level swings, maintaining its stability and rigidness in all environments. Your Renewal by Andersen windows are warranted not to flake, rust, blister, peel, fracture, pit or corrode.+ And years down the road, they will be as easy to run as the day they are set up. * The strength of Fibrex material means narrower frames; narrower frames imply more glassand more view. With stainable wood interiors including oak, maple, and crafted pine, 11 hardware finishes, and a variety of grille patterns, including colonial, prairie, and custom-designed, you can match your brand-new windows to your home's existing architecture, alter your appearance, or finish a historically precise restoration. Required assistance choosing? Searching for a quote? Arrange a totally free in-home window consultation with our window style specialists or visit among our showrooms. A window's spacer system, or the part that separates glass layers, is remarkably impactful on the energy performance of the whole system. The standard spacer system can increase heat loss and cause condensation to form on the edge of the glass. Our Warm-Edge Spacer is developed to obstruct the course of escaping heat even more efficiently, minimizing condensation on winter glass. Featuring an unique style, these spacers are much more efficient than their dated predecessors. Toggle to see the incredible difference between our Warm-Edge Spacers and Conventional Spacers (window shutters). Double-hung windows use a traditional appearance. They have operable upper and lower sashes. Lowering the top sash and raising the lower sash can permit warmer air near the ceiling to move out through the top, while cooler air can stream in through the bottom. Many double-hung windows have sashes that tilt inward, permitting you to clean up the outside surfaces from inside your home. Authentic wood-framed windows use remarkable insulation from heat, cold and noise (window treatments). If cared for effectively, wood windows can last a life time.