Fusion Quality Vinyl Windows
Enduring Style and Energy Smart
Fusion Windows are built for the way you live. Featuring fusion-welded sashes and mainframe, multi-chambered extrusions, composite-reinforced interlocking meeting rails and an insulating glass unit, Fusion Windows by Alside provide the reliable quality you deserve without the burden of time consuming cleaning and upkeep.
Attractive, protective and energy smart, the Fusion Window is a cost-effective solution to lower your heating and cooling bills. Plus, our Lifetime Limited Warranty* delivers the peace of mind you would expect from a respected industry leader with over 70 years of manufacturing experience.

Vinyl Color Choices
Customize your home by selecting a vinyl color that complements its style and look. Optional decorative interior and exterior paint finishes create the perfect curb appeal.

Color Selected:
White*
*Extruded Solid Color
Our Limited Lifetime Warranty
Your investment in Alside windows, siding and accessories is backed by lifetime limited transferable warranties. This peace-of-mind warranty coverage is added assurance that you have not only invested in windows and siding from a leading innovator in vinyl building products, but with proper care, your purchase is guaranteed to perform for the lifetime of the product.
For more information download the Fusion Brochure and Warrranty


Features and Benefits
Vinyl mainframe and sashes wont chip, peel, crack or warp.
Premium vinyl color is formulated throughout for lasting beauty.
Multi-chambered sash and mainframe create insulating air spaces for increased thermal efficiency.
Composite-reinforced interlock at sash meeting rails provide increased strength and comfort.
Protective bulb seal helps prevent air penetration at the meeting rails.
Drop-in glazing for extra protection from the elements.
Fully extruded lift rails provide stability for trouble-free operation.
Fusion Quality Vinyl Windows can be fitted with ClimaTech Insulated Glass packages, featuring Low-E glass, argon gas and the Intercept Warm-Edge Spacer System. The superior thermal performance of this insulating glass unit can help lower your energy costs while further reducing the consumption of fossil fuels. Many ClimaTech insulating glass packages meet the latest ENERGY STAR requirements.


In todays world we need to look beyond just the aesthetics of our new windows. We find our environment captured by an increased focus on energy, and we can help you reduce energy consumption with ENERGY STAR qualified windows from Alside. Since windows are roughly 80% glass, its important to choose an energy-efficient ENERGY STAR qualified window.
Alside windows meet stringent ENERGY STAR performance requirements in all U.S. climate zones. Rooftop Roofing and Remodeling can help you choose the best insulated glass package to meet the ENERGY STAR requirements for your home.