13 to 17 feet.
Maximum ladder working height.
For a maximum reach of 23 27 feet you can see the ladder height required is 28 feet.
Extension ladder height maximum reach of extension ladder distance of base placement from wall highest point ladder will touch.
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.
A person s maximum safe reaching height is approximately 4 higher than the height of the ladder.
With a step ladder the maximum height you can reach height of the ladder 4 feet.
According to a health and safety executive report published in 2017 falls from height often involving the use of ladders accounted for 7 of all workplace injuries but a much more serious 28 of fatal accidents.
So if you don t need to reach a height of more than 12 feet than an 8 feet step ladder will suffice.
21 to 25 feet.
Even though the primary purpose of a ladder is to reach places that you cannot usually reach on your own all ladders are not the same.
Thinking about the maximum working height for ladders is something which anyone who often uses a ladder needs to do on a regular basis.
A stepladder is suited for work up to a height of about 10 feet.
The maximum work surface height of mobile ladder stands and platforms does not exceed four times the shortest base dimension without additional support.
Also step ladders can perfectly hold two people so two people can easily work together with a step ladder.
Beyond that height extension ladders are better suited.
Hence for reaching a height of 25 feet you need a ladder height of 28 feet.
17 to 21 feet.
For example a typical person can safely reach an 8 ceiling on a 4 ladder.
This will allow enough length for proper setup overlap of ladder sections height restrictions of the highest standing level and where appropriate the extension of the ladder above the roof line.
Extension ladders should be 7 to 10 feet longer than the highest support or contact point which may be the wall or roof line.
For greater heights outriggers counterweights or comparable means that stabilize the mobile ladder stands and platforms and prevent overturning must be used.
9 to 13 feet.
Extension ladders should be 7 to 10 feet longer than the highest support or contact point which may be the wall or roof line.
How tall step ladder do i need.