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 internal 135 degree angle is at the point where a bay window connects to the main fascia line on the roof.
The Cast Iron Ogee Gutter Internal Angle - 135 Degree x 100mm Black would be suitable for homeowners looking for a high-quality, durable and attractive solution to improve the look and functionality of their roof gutters.
