Fusion Welded Frame & Sash
Welding creates a fully sealed, continuous profile that eliminates potential air and water penetration through frame and sash corners.
Maintenance Free Solid uPVC Vinyl Profiles
The multi-chambered design provides structural strength as well as insulating air pockets which reduce heat and cold transfer.
Integral Lift Rail
Permits sashes to be operated with ease.
Large Interlock with Double Protection
Brings double weatherstrip sashes closer together and locks them air tight for another secure line of defense against the weather.
Built-in Water Management Systems
Carefully engineered independent drain allowing for quick water management to the exterior
Integral J Fin
340J contains an integrated J Fin, which is ideal for siding applications, offering cleaner details and improved performance.
Commercial Glazing Technique
Exterior glass stops combined with our glazing technique provide the ultimate defense with long lasting beauty
High Performance Glass
Choose Solar Gain Low E for free solar heat or Solar Shield Low E for reducing solar heat gain. Argon and Krypton Gas fillings will maximize heat savings! E-Clean combines a solar-energized exterior glass coating that helps clean your window with our commercial quality Solar Shield Low E.
Warm Edge Spacer Technology
Only the best warm edge spacers will reduce perimeter condensation on an insulating glass unit, fight mold and increase the comfort of your home.