What Length Extension Ladder Do I Need

How to calculate what size extension ladder you will need.

What length extension ladder do i need. This is known as the 1 in 4 rule. Then you would need a 24 foot extension ladder for the job. Key elements of ladder selection our goals are very simple. Sections overlapped each other.

The sections must overlap at least 3 feet on ladders up to 36 feet in length and as much as 5 feet on longer ladders. The health and safety executive hse states that ladders need to be at an angle of 75 degrees away from the wall. What size ladder for 1 story house and what size ladder do i need for a 2 story house these are popular asking. Calculate the length for extension ladders based on work heights and pitch angles.

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. For example 16 feet ladder can only reach a maximum height of 14 15 feet since there is an overlap between the base and the fly section. Louisville fe3220 ladder louisville fe3220 ladder. Four key elements of ladder selection are.

Height performance materials and unique product solutions. It s not an easy or straightforward question to answer. Extension ladder have two 10 ft. I hope this helps.

How tall extension ladder do i need. The base of a 24 foot ladder stands 6 feet away from the wall. With an extension ladder the maximum height you can reach the full height of the extension ladder 1 foot. As the extension ladder requires overlapping in extended position its maximum length is less than the length you thought you bought.

The highest safe standing level is four rungs from the top of the ladder. An extension ladder needs to be several feet taller than the height you need to reach. To get the angle right you will need to know how far off the ground your roof is. Look in the fourth column find the highest point your ladder will reach and there s a choice of 13 to 17 feet according to the chart you would need to set the extension ladder back 6 feet from the wall at the base.

We want to help you better understand how to choose the right ladder for the job and learn how to use ladders more safely. Highest point the ladder will touch extension ladder should be 7 to 10 ft. Extension ladders are correctly pitched when the base is one quarter its height from the wall. For example if you need to reach a place which is 23 feet high then you should use a 24 feet tall extension ladder.

An extension ladder should extend one foot beyond the work surface of a wall up to 34 feet. Longer than the contact point or highest support roofline or.