How long extension ladder

Common mistakes that are made with extension ladder length include. The Pythagoras Theorem calculation assumes flat ground. In reality the ground has dips and bumps in it. Always ensure your ladder will still be long enough. It is better to have a longer ladder than to scrimp on the length. If there are any doubts, you could use a spirit level to determine the difference in ground levels or better still use a ladder leveller which will ensure your ladder is level on the ground.

Bare in mind that the higher up an extension ladder you go, the more wobbly it gets. Not only does this enable you to complete jobs at a lower level, it is also easier to store due to the compact size it folds down to. For maximum comfort and safety, always ensure the ladder is suitable for your weight before purchase. Our ladders have a massive weight rating of kg, however they are still lightweight and easy to put up and down.

Make sure the extension ladder will fully suit your needs before purchase. Free lifetime guarantee. Superb independent feedback. What size extension ladder do I need? Extension ladders, also known as non-self-supported or leaning ladders should extend a minimum distance of 3 feet past the edge they rest against but not more than 4 feet. Extended Section Overlaps Each section of a multi-section extension ladder must overlap the adjacent section by at least 1 to 3 feet for ladders up to 36 feet and 4 feet for 40 feet or longer extension ladders.

Extension Ladder Footing Extension ladders should be at the proper height and angle for optimum safety and stability. When determining the proper working height and angle, the extended ladder should be set at a ratio from the foot to the top support.

And remember to always keep the extension ladder on a secure footing. Use leg levelers when needed. What the above calculation doesn't allow for is the overlap that occurs between the sections. So, if you want to measure the length of your extension ladder when it's fully extended and ready to use you should:. When working out whether your extension ladder is the right length, you should remember that you won't be using your ladder in a fully vertical position. To use it safely you will need to lean it against a supporting wall.

This might take an 8-metre extension ladder down to a 7-metre height, for example. Another thing to consider when measuring an extension ladder is the safe working height. Generally, you shouldn't stand on the last 3 or 4 rungs of your ladder, because you won't be able to maintain three points of contact to keep yourself stable. This is incredibly dangerous and could lead to a serious fall or injury! So, taking all of these things into consideration, you can see why measuring an extension ladder to suit a particular height can be quite tricky.

Our recommendation is to always choose an extension ladder that's 1 or 2 metres longer than your desired height. Compare all Specifications Werner Werner 20 ft. Aluminum Extension Ladder with lb. Aluminum D-Rung Extension Ladder with lb. Size Height to Gutter or to Support Point Buy This Size Ladder include a 3-foot extension above roof line 9 to 13 feet foot 13 to 17 feet foot 17 to 21 feet foot 21 to 25 feet foot. The SkyScraper is indeed the world's tallest a-frame ladder with a maximum height of feet, making ceiling- height work simple and safe.

The SkyScraper is perfect for churches, auditoriums, gymnasiums and other industrial applications. An aluminum ladder will be lighter than a fiberglass ladder , which makes it easier to carry. It can be a far more portable option for those moving from one job to another. Another big advantage of aluminum ladders is the price. Most aluminum ladders will be much more affordable than fiberglass ladders.

Fiberglass Extension Ladder , lb. Load Capacity, Net Weight. 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. A person's maximum safe reaching height is approximately 4' higher than the height of the ladder.

Extension Ladders. Extension ladders should be 7 to 10 feet longer than the highest support or contact point, which may be the wall or roof line. When placing your ladder , remember the four -to- one rule : for every four feet of height you have to climb, move the base one foot away from the wall.

This tip comes from This Old House, which has a number of other ladder safety tips.