Set Up Ladder On Angled Roof

Position the ladder so that the distance from its base to the wall is one quarter of the height of the ladder at its resting point creating a 75 degree angle.

Set up ladder on angled roof.

The general rule of thumb to follow is maintaining an ideal ladder placement ratio of 75 degrees. Essentially this involves using rope cable or a ladder lashing kit to tie the rope to a secure point in order to prevent it from slipping or falling as you climb up. Set up the ladder the next thing on your to do list would be to take the ladder up to the roof and start setting it up. Any ladder that does not support itself predominantly single pole and extension ladders needs the correct ladder angle to keep it both sturdy and safe.

Set up the ladder by following the angle rule or 4 1 rule. This tool will give you a sturdy and level base to place your ladder on slanted ground. Your ladder should be 1 meter out for every 4 meters up and the ladder legs will create a 75 degree angle with the garage roof or first story roof. Stand facing it with your feet touching its feet and your arms extended your palms should rest on a rung at shoulder height.

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. To protect your asphalt roof avoid putting the metal sides of a ladder down on the roof surface without protecting the shingles. If you need to use a ladder on a steep shingle roof you need a pivit ladder tool. For a quick check on the angle of your ladder.