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.

This product is available in our Eastern distribution area.

Features and Benefits

Vinyl mainframe and sashes won’t 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.
Sloped sill forces water to drain to the exterior of the window.
Hidden screen track for clean lines and added beauty.
Bulb seal at the sill creates extra protection from dust, dirt and air infiltration.

Insulated Glass Packages

Optional ClimaTech Insulated Glass Packages available.
Consult your window professional for the optimal glass package required for your home and climate zone.

Window Styles

Double Hung
- Fusion welded mainframe and sashes for added strength.
- Interlock at sash meeting rails creates a tight seal against air infiltration.
- Sloped sill forces water to drain to the exterior of the window.
- Constant force balance systems ensure smooth sash operation
Sliding Windows
- Fusion welded mainframe and sashes for added strength.
- Multi-wall extrusions enhance structural integrity, strength and thermal efficiency.
- Interlock at sash meeting rails creates a tight seal against air infiltration.
- Nylon-encased dual brass rollers ensure smooth sash operations.