The magic formula for ladder safety is one in four. This means that for every four feet of height you are going up, the base of the ladder should be one foot away from the wall the ladder is resting on. This angle will ensure you have a ladder that is not too steep to climb, but is still straight enough that it won't bow in the middle when there is weight on it.
Yes. Underwriter's Laboratory (UL) tests and certifies ladders. Be sure that any type (Telescopic ladders , Portable Ladder , Loft access ladders , step ladders , Frame ladders , Decorating ladder , Telesteps / Tele steps , Aluminium ladders, cheap ladder , Bargain ladder , xtend & Climb ladders, building ladders , laboures ladders or labourers ladder ) you use has the UL seal as your assurance that your ladder has been tested and is safe. In addition, ladders are rated based on their ability to provide su
Useful information about telescopic ladders