As a window treatment installer, you work with window accessories such as blinds, shades, drapes, and shutters. Your duties vary depending on the products that you install. You typically measure the windows with tape or laser measurement devices to ensure accurate sizing, and then select or cut the treatment components to fit the window. During installation, you use power and hand tools to attach blinds, shutters, or other products. Your responsibilities sometimes involve making repairs or improvements to the wall to which you attach the products. You typically work indoors, but some products, such as shutters, require being outside.