Cannon Works, LLC offers seamless gutters and LeavesOut "The Smarter Gutter Cover" Gutter Guard. Serving Greenville, Spartanburg, SC, NC, Saluda, Columbus, Travelers Rest, Rutherfordton, Landrum, Greer, Tryon. LeavesOut is a solid aluminum Gutter Protection system. It stands ahead of the rest a No-Clog, Money back, written warranty. It is guaranteed to keep your rain gutters flowing free of debris and is backed by a family owned company with 23 years of experience. LeavesOut is your best solution for keeping your gutters leaf free. Cannon Works LLC is unlike any other seamless gutter and gutter guard company you have seen. You will love our friendly no hassle approach to taking care of your gutter needs. Whether you ask for a free proposal or order online.