Park ridge new construction or remodel basement hopper window (rough opening: 32-in WIDTH x 18-in height, ACTUAL: 31. 75-In WIDTH x 17. 75-In height) is manufactured with a heavy duty fusion welded vinyl frame. The window tilts inward on all metal hinges for maximum air ventilation and the 3/4 inch insulated glass and wool pile seals help to keep cold air out and warm air in. This maintenance free hopper window comes complete with a fully removable screen to keep insects out and is the perfect choice for new construction or remodeling needs.