Many materials can be used to make stair railings. The material used as a handrail, it will cost and, finally, how is more like it will be.
For starters, the wood is a common alternative to the gate before the door of porches and decks for example. Vinyl and composite railings are gaining in popularity, but because the vinyl is more resistant to external factors like climate.
Pressure-treated pine is a type that is not so difficult to grow to external factors, especially sunlight, but the rain. composite rods are more expensive but last longer and are more resistant to outsourcing.
Another type of rail is the metal railing of stainless steel such as cast iron and aluminum. Iron is very expensive but can be used with other materials such as vinyl or other materials at a low cost.
In terms of durability, aluminum has a long shelf life and paint, which can be easily affected by weather or very strong. Most households have cable ramps and stairs of stainless steel bars of rectangular connectors.
In a situation where the poles are further away, but it is a flat transparent or translucent, even in the middle, then glass railings and acrylic are the best solutions.
Each of the above categories can be done by the national railway system. In the case of metals, is less likely that the use of wrought iron, especially in the case of medium size, because their appearance is not so convenient.
Anyone interested in oak banister with a ramp must follow because they are the most common and fits perfectly with the landing and wooden staircase. They are also better if you stain.