A good guideline is that the pitch should cause a decrease somewhere between 1 to 2 inches over a 40 foot run.
Bending gutter hangers.
1 16 to 1 8 per 3 feet.
1 is for the low hanger.
Measure from the roof edge at both ends of the gutter if you want to be sure.
You can buy gutter hangers from your local hardware store.
The hanger bending tool is used to bend the j roof hanger.
Determining how to space a gutter hanger when you are fitting new guttering simply requires exact measuring.
Mount hanger 1 low hanger and proceed to fasten the others in order.
Mark the hangers for the gutter incline.
Lower the front end of the hanger into the gutter and fit it underneath the front lip of the gutter.
Once tool is set it will bend each hanger to the exact angle every time.
If your gutters don t slope then you only need to adjust the hangers and lower them slightly where necessary to achieve the correct slope.
Press down on the back of the hanger so it clips onto the back edge of the gutter.
The j hanger needs to be bent to the pitch of the roof.
For rainy climates where gutters will handle a larger amount of water for long periods they should have a maximum distance of 18 inches apart between them.
Position the back of the hanger so it lines up with the hole that s already going through the back of the gutter.
Last number is for the high hanger bend each hanger at the marking.