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An easy way to tell the difference between the two is the presence of a central post or column. A spiral staircase will have treads winding around a central column, whereas helicals wind around a void. Helical stairs are designed around a void, while a central column provides support for a spiral.
The key difference between the two different shapes is that a spiral staircase has a centre column supporting the treads whereas a helical staircase has a void in the middle – it has no central column.
Key Differences Between Helical and Spiral Stairs - Design and Structure: The most obvious difference is the presence of a central support column in spiral stairs, which helical stairs lack. This structural element affects both the aesthetic and the space required for the stairs.
A spiral stair is a stair in a helix around a central column. A helical stair is a stair in a helix around a central void. The approved document requires that spiral stairs and helical stairs are designed in accordance with BS 5395-2 Stairs, ladders and walkways.
Oct 26, 2018 · What is the difference between helical and spiral staircases? Many people tend to confuse the two, referring to any curved flight as a spiral. However, helical staircases have no supporting central column, whereas spirals do.
In all three countries, the Building Regulations and Standards say the spiral stairs and helical staircases should be designed to BS 5395-2:1984. This breaks staircases down into five categories depending on their use.
Jan 11, 2024 · A spiral staircase, also known as a helical staircase, is a unique architectural marvel that redefines the conventional concept of staircases. These captivating structures are characterized by their graceful, spiraling design as they wind elegantly around a central axis.
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