The next size up will be 5 feet in diameter, with a walkway path of 26 inches, and the following size will be 5 feet and 6 inches, with a path size of 29 inches. The next size up will be a spiral staircase with a diameter measurement of 4 feet and 6 inches, and this staircase will have a walkway size of 23 inches. This size of a spiral staircase will have a path size of 20 inches.
The next size up from 3 feet 6 inches will be a staircase with a diameter measurement of 4 feet. Six inches is the equivalent to half of a foot. Spiral staircases typically come in diameter measurements of 6-inch increments starting at 3 feet and 6 inches, working up to 6 feet. If you find a regular staircase reasonable to use in terms of the path size, then you should get on fine with a 6-foot diameter spiral staircase. Spiral staircases can be made in bigger sizes than this, but they will ordinarily be custom-made to fit the space and the client’s requirements.Ī 6-foot diameter spiral staircase will have a walking path width measurement of 32 inches, putting it on par with the standard minimum path size of a regular staircase. The largest standard spiral staircase you are likely to come across will have a diameter measurement of 6 feet. You should also think about whether you will need to carry items up and down the stairs and whether these items would comfortably fit through a 17-inch path. You should consider how often the stairs are going to be used, and who will be using them, to see if this size will be suitable. When you compare this to a standard staircase, which will usually have a minimum pathway size of 32 inches, you can see that this is a very slim staircase. The walking path on a spiral staircase, which is 3 feet and 6 inches in diameter, will be 17 inches across, which is just under 1 and a half feet. With this size of the spiral staircase, you would obviously have a reduced stair width, which you would need to check is suitable for your family and the way the staircase will be used.
#Spiral staircase free
This is known as a space-saving staircase because it takes up very little square footage in a home, which can free up a large area of the room if you were to replace a standard staircase with this type. The smallest size of spiral staircase available from most manufacturers will have a diameter measurement of 3 feet and 6 inches. It is this design that means a spiral staircase is great for saving space because it will go directly up to the next floor, rather than diagonally across a room like most staircases.īecause the pole is in the center of the staircase, there is only a handrail on the outside of the staircase, so it might not be the best type of staircase to use for anyone who is a little unsteady on their feet.Īdded to this, spiral staircases tend to be steeper than regular staircases, which might be a safety concern for some people, such as those with children or elderly users. It is this central pole that provides the structural integrity of the stairs, and therefore no other reinforcements or supports are needed. Typically, spiral staircase sizes vary with the smallest standard spiral staircase having a diameter measurement of 3 feet 6 inches and a walking path width measurement of 17 inches to the largest standard spiral staircase with a diameter measurement of 6 feet and a walking path width measurement of 32 inches.Ĭheck out the drawing below with great details.Ī spiral staircase is based around a central pole, with a simple design that makes installation quicker and easier than a regular staircase. Spiral staircases are available in a variety of sizes to suit different needs, which we will address below.
Spiral staircases are commonly seen in industrial settings, but they can also be used in residential properties as a style element or in an effort to save space and increase usable square footage in a room.
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