Wooden or metal ladder
Usually on sale there are stairs made of wood and metal. If you need a strong, reliable ladder of a ladder, it is better to choose metal equipment after all.
Well, if for you this kind of device is an interior element or help in everyday life, then a beautiful wooden.
When buying a wooden stepladder, pay attention to that there are no knots on its surface. Varnishing should be impeccable. Do not forget that such a staircase is quite heavy and does not withstand the great weight. In addition, the tree after some time begins to crack and dry out.
If you decide to buy a metal assistant, then give preference to the product from duralumin. This is a stronger material, although stairs from it are more expensive.