internal or external 135 or 150 degress
- Thread starter stayclean
- Start date
Place a straight edge along a straight run of gutter or frame and extend it past the corner. Using a basic maths set with a 45/90deg and 30/60 set squares, measure the angle. If the 45deg fits in its 135, if the 60deg (steep side of the triangle) fits in its 150deg. More likely to be 135 in my exp.
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