FloPlast Half Round Gutter Angle - 135 Degree x 112mm White
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135 Degree Gutter Angles, or 45 angles as they are sometimes referred to as are generally used when the guttering and fascia runs above a bay window. As the system is symmetrical, both internal and external corners use the same fitting - there is no difference.
You should always support any gutter angle by positioning a fascia bracket within 150mm on both sides of the angle. This will prevent the fitting from sagging when it is weighed down by water or snow.