I d suggest it should be at least 3 feet past the edge of your gutter and 4 feet is better.
How to use extension ladder on roof.
On soft ground flip up the ladder shoes so the spurs poke into the ground photo 5 on decks it s a simple matter to screw down a cleat photo 2.
You want the ladder to be at least 3 feet higher than your roof line.
To climb onto the roof you want to run the top of the ladder past the roof so it extends far enough that you can hold on when you step on and off.
The next thing on your to do list would be to take the ladder up to the roof and start setting it up.
Screw a 2 4 cleat to the deck behind the ladder s feet to prevent the ladder from slipping backward.
Drive one 3 inch nail into.
2 cut about 2 feet off the end of a two by four using a circular saw.
Reposition the base to get the correct angle.
An easy way to figure the angle is to use a 1 4 ratio.
In addition to establishing a level base make sure the feet can t slip backward.
You can attach a gripper at the bottom of your pivit to make sure it does not slip when you are on the ladder.
If you have a telescoping extension ladder wait until you raise it to extend the ladder to the correct height.
I also have a helper hold onto the bottom of the ladder to stabilize it.
To begin the setup process at first you have to place the pivit where you would like the bottom leg of the ladder to go.
Extension ladders which can be used to reach great heights played a part in some of these worst of these accidents.
Roofing ladder a roofing ladder is simply an extension ladder that has been securely attached to the ridge of a sloped roof to allow a roofer to work from an angle though no more than 75 degrees on the roof.