Our Double-Hung replacement windows feature maintenance-free vinyl
Gorilla Windows Double-Hung replacement windows are made from uPVC or virgin vinyl to assure the highest quality. Using vinyl also makes Gorilla Windows Double-Hung windows maintenance-free, meaning they will never need painting or scraping, and will not rot, chip or peel.
Structural integrity built into every Double Hung replacement window
Gorilla Windows Double-Hung vinyl windows have the following features: multi-chambered, Parallel I-beam Construction which provides strength, durability and longevity. Fully-welded and weeped sills make our double-hung replacement window welds 300% stronger than the industry's standard windows, while providing excellent water resistance.
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