The highest safe standing level is four rungs from the top of the ladder.
How tall ladder to reach roof with 20 ft eave.
In this case your required extension ladder height will be 24 ft 3 ft 27 feet.
An extension ladder needs to be several feet taller than the height you need to reach.
Beyond that height extension ladders are better suited.
With a step ladder the maximum height you can reach height of the ladder 4 feet.
Hence you can reach 13 feet height with a 16 feet long extension ladder.
So if you don t need to reach a height of more than 12 feet than an 8 feet step ladder will suffice.
Extension ladders should be 7 to 10 feet longer than the highest support or contact point which may be the wall or roof line.
Pro tips for painting or cleaning gutters window of a 2 story house that don t need to reach on the roof a 24 ft.
A step ladder should reach within four feet of the work area so the worker can stand on the rung and safely reach the work area.
Extension ladder is perfect for getting the job done.
However if you need to reach 16 feet of height then you should go for a step ladder which is no less than 12 feet tall.
That means if the height of your 2 story house is 20 feet 6 meter the recommended ladder height for a straight ladder is 24 feet and extension ladder is 27 feet.
For example a typical person can safely reach an 8 ceiling on a 4 ladder.
A person s maximum safe reaching height is approximately 4 higher than the height of the ladder.
More to learn about ladder height and reach.
Ladder fully extended length will be fine for this job.
Stepladders determine the height of the stepladder needed based on the height of the work area.