International Window Corporation manufactures an extensive line of windows and doors. Everything we do is dedicated to serving the residential and light commercial building industries. Our products are fabricated from the highest-quality aluminum and vinyl materials. We offer a diverse portfolio of innovative designs, including horizontal and vertical sliding windows, casement windows, garden windows, bay and bow windows, special shapes, louver windows, sliding-glass doors and acoustic windows. These products are ideally suited for both new construction and residential replacement applications.