These two lines are fold lines as seen in photo 4.
How to make custom gutter corner.
Step 1 locate angle on vinyl rain gutter.
During the installation process it is necessary to cut some 45 degree corners in the gutters.
Mitered corners from berger bp help make gutter installation easy.
If you have a small miter box coupled with a miter saw this.
Use tin snips to cut out the rectangle.
Here are the steps for doing that.
Watch how to create a mitered corner from one of america s oldest and most trusted buildin.
Use the mallet to pound out the dents and wrinkles photo 3 then use the ruler and marker to draw a line 1 inch 25 mm from the left edge.