How Long Is A Roof Ladder

Louisville aluminum standard ladder.

How long is a roof ladder. To get maximum length you may need an extension ladder with multiple layers which will usually offer either a roll or pulley system to allow the full length of the ladder to be let out. 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 roofline. 2 cut about 2 feet off the end of a two by four using a circular saw. Standard ladders are usually up to 16 feet tall.

How to calculate the length you need wondering what size of ladder to get on the roof. As a rule of thumb your ladder should be long enough to reach from the eaves to the peak of the roof ridge. The ladder should be at the correct angle with the base 1 foot out from the surface it rests against for every 4 feet of height to that point. Ladders come in lengths that can vary anywhere from two to 40 feet.

Once you have verified that your ladder is fit for purpose you should ensure that your extension ladder is firmly placed on level stable ground for you to begin your ascent. The ladder should be long enough to extend 3 feet but not more than 5 feet above the roof s edge. When the ladder rests against a surface such as a roof line it needs to extend 3 feet beyond the top support point.