This profile matches wood gutters sold in the last forty years. The shape is slightly less traditional than the OG-5 and can be used on transitional designs. Because of the flat bottom, it cannot miter into a rake molding.

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​The FB profile comes in 25' lengths which are field cut and joined with a system of concealed pins. The pins are glued into internal keyways to enable a flush outside face with no visible connectors. The 1/8" wall thickness eliminates the need for hangers.