JCR manufactures rectangular gutter & accessories. We manufacture 2 x 3 downspout , outlets, leaderheads, miters, etc.
Our manufacturers have the knowledge to manufacture all 4 types of miters for the rectangular gutters. They can manufacture left inside miters & left outside miters as well as right inside & right outside miters.
JCR can manufacture regular 90° or slant-back or slant-forward designs.