These two lines are fold lines as seen in photo 4.
How to make custom gutter corner.
Mitered corners from berger bp help make gutter installation easy.
Watch how to create a mitered corner from one of america s oldest and most trusted buildin.
Step 1 locate angle on vinyl rain gutter.
From this line measure 2 inches 51 mm and draw a second line parallel to the first.
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.
During the installation process it is necessary to cut some 45 degree corners in the gutters.
Use tin snips to cut out the rectangle.
How to make a gutter template.