As the ogee system is not symmetrical, internal and external corners are different fittings.The product image clarifies the difference but the most common use for an external 135 degree angle is at the two outermost angles on a fascia board that runs above a bay window.
The Cast Iron H16 Ogee Gutter External Angle - 135 Degree x 150mm Primed is ideal for constructing steep-pitched roofs or challenging configurations that require a robust, aesthetic, and weatherproof solution.
