When the ladder rests against a surface such as a roof line it needs to extend 3 feet beyond the top support point.
How long is a roof ladder.
Ladders come in lengths that can vary anywhere from two to 40 feet.
As a rule of thumb your ladder should be long enough to reach from the eaves to the peak of the roof ridge.
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.
However in heavy duty work sites you can see a standard ladder as tall as 30 feet tall.
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.
Louisville aluminum standard ladder.
For multi use purposes in your one story house little giant ladder systems 12026 001 can be the best option for you.
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.
2 cut about 2 feet off the end of a two by four using a circular saw.
How to use a roof ladder safely right now down to business.
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.