FORMTECH WINDOWS, a recognized specialist in the design and manufacture of foundation windows, now offers custom casement windows for your home. Casement windows open with a crank handle. When closed, casement windows provide the best air-tight seal because the window compresses the weather stripping. Casement windows are sized to your specifications so you have many more foundation window options. Allowing for three weeks lead time for delivery, you’ll be amazed what FORMTECH WINDOWS can create for you.