Suppose,a = the height of the house wallb= distance from base to ladder feetc= the pitch that the ladder will makeNote: Follow the correct angle rule of the ladder when setting it up.If the pitch is too long, your ladder may slip causing severe risk of an accident. On the other hand, if it’s too short, it may tip over or you won’t be able to reach the job.

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The right pitch of a ladder for 2 story house……If the height of your 2-floor house is 20 ft. (6 meter), then the base of your ladder must be placed at 5 ft (1.5 meters) away from the base of the house wall according to 4: 1 ratio.According to angle rule ladder needs to be at an angle of 75 degrees away from the wall. It’s also known as 1 in 4 rule or 4:1 rule. 

How Tall of a Ladder for a Two Story House

The formula and estimation process of finding the right size straight and extension two story ladder:Let,Height of house wall (a) = 6 meter (20 ft.)Distance from base to ladder feet (b) (4:1 ratio) =1.5 meter (5 ft.)The pitch that the ladder will make (c) =?Then, we need to use the Pythagoras Theorem (a2+b2=c2) to work out the ladder length for 2 story house. For this, we need to square (a) and (b) to obtain the value of c.a2+b2=c2Or, c2= a2+b2Or, c2= (6)2 + (1.5)2Or, c2= 36+ 2.25Or, c2= 38.25c= 6.18 Hence, the pitch the ladder will make is 6.18 meter.Note that the top end of the straight and extension ladder must extend beyond the roofline by approximate 1 meter (3 feet).So, you need to add 1 meter (3 feet) for extension beyond the roofline. That means you need a straight ladder of over 7 meters (24 feet) in height.But if it’s an extension ladder note that extension ladders reach approximate 3′ less than their described height due to overlapping of the two sections.For example, a 16 feet extension ladder is only 13 feet long when it’s fully extended. Hence, you can reach 13 feet height with a 16 feet long extension ladder.In this case, your required extension ladder height will be= 24 ft.+ 3 ft.= 27 feet.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.Louisville 28 feet Fiberglass Extension Ladder can be an excellent and safe option to reach the jobs of your story house safely, especially when it involves electrical tasks.Need more height to reach? No worry. The Louisville AE2232 32 feet Extension Ladder is one of the best options on the market today to reach more height.

Tips and Tricks

While choosing the right size extension ladder for 2 story house, some common mistake people always make. Here are some tips for you to overcome these mistakes:The ground where you’ll place the feet of your ladder may have dips and bumps in it. However, you can use a spirit level to determine the difference in ground levels. It’s safe to use a leveler to ensure your ladder is level on the ground.Longer two sections extension ladder tends to be more wobbly when in a fully extended position. For this, a three-section extension ladder is recommended as it’ll eliminate the wobble.For maximum safety, check the ladder weight capacity before purchase.Extension ladders range in sizes from 16 to 40 feet. To ensure you choose the right extension ladder sizes suited to your needs, follow the ladder sizing chart.


What is the height of a one story house in the USA?10 feet or 3 meter is the height of a one-story house typical for housing in the USA. This height includes 9 feet or 2.75-meter high ceiling and 1 foot or 300mm floor thickness.How tall of a ladder do I need for 1 story house?If your one-story house is 10 feet high, you need a straight ladder of 13 feet long and an extension ladder of 16 feet long to reach the rooflineFor multi-use purposes in your one-story house Little Giant Ladder Systems 12026-001 can be the best option for you.What does floor to floor height mean?The floor to floor height indicates the vertical distance between the floor finish levels of a two-story house.FFL or Floor Finish Level = level at the finished floor ( including wood or tile or any finishing).What are some different methods to find the height of a building?There are many methods based on the accuracy you required.You can determine the height of a building by using a GPS device, laser measuring device, tape measure (for short building). To get highly accurate results, surveying equipment is the best option.What is the recommended extended ladder size for painting 1st floor windows?Well, the typical height of the job (approximate) = 15.5 feet (4.7 in meter) (eaves)The required length of an extended ladder = 19 feet (5.8 in meter)What is the recommended extended ladder size for gutter maintenance & repair?Good question!The typical height of the job (approximate) = 15.5 feet (4.7 in meter) (eaves)The required length of an extended ladder = 19 feet (5.8 in meter)What is the best ladder size for painting exterior?Approximate height of job is Up to 23 feet (7.05 in meter)The required length of an extended ladder = 27 feet (8.15 in meter)To pick the right ladder size, which is the most suited to your specific task, go to our review here.

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Hope this post on what size ladder for 2 story house was helpful to you to find the right one.Thanks for reading!If you have any follow up questions, let us know in the comments section.More Resources:Best Attic Ladders Reviews & GuideHow to Set Up an Extension Ladder?Best Attic Stair Insulation CoverBest Ladder Stabilizers