If lashing still results in a ladder that feels unsafe there are a variety of ways to.
Leveling ladder on roof.
The pivit ladder leveling boxes are lined in rubber so that you a have traction to shingled roofs and provides some protection to the shingles.
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.
How to stabilise the ladder to a roof.
The levelizer easily levels ladders in a matter of seconds.
How to use a ladder on a slope lashing your ladder.
By providing a stable base for the ladder to set you can more safely and quickly complete the job.
Set up the ladder by following the angle rule or 4 1 rule.
Gather all the necessary tools before you get on the roof you have to gather and collect all the things you.
The patented wedge design of the ladder levelizer compensates the incline of small slants to substantial hills simply by setting the ladder on the appropriate point of the levelizer.
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.
A ladder that has self leveling feet works best when working on asphalt roofs.
Cleats and ladder leveling feet.
To protect your asphalt roof avoid putting the metal sides of a ladder down on the roof surface without protecting the shingles.