Keystone Vinyl Inc. uses a mobile unit to make seamless gutters. We bring the machine to your job site and run each piece to exact length. Our seamless gutters are made from 0.032 inch coil stock, the thickest commonly available for residential applications. Our white gutter has a high gloss finish and the colors match our vinyl siding products . Plan your exterior home renovation with us and your finished project will be coordinated and professional.