Englert, Perth Amboy, N.J., offers the LeafGuard Seamless Gutter System. This one-piece leaf and debris shedding gutter system is guaranteed never to clog. The gutters are roll-formed to seamless custom lengths onsite and look like molding when installed on the home. They are 20 percent thicker than conventional gutters, come in a wide range of colors and have a patented design.