How big of a hole do you need for a spiral staircase?

44 inches x 44 inches
3’6” translates to 42 total inches in diameter and therefore the MINIMUM opening size that you need MUST be 44 inches x 44 inches (44”x44”). You need at least 44”x44” opening because you’ll need two extra inches for your fingers to travel along the handrail as you walk up and down the stairs.

What is the minimum diameter for a spiral staircase?

Generally speaking, a stair with a diameter of 5′ or larger is going to be very comfortable for your application. Spiral stair building code requires your stair to have at least a 5′ diameter.

Do spiral stairs save space?

The main reason spiral stairs were invented was to save floor space. Spiral Staircases do take up less space than conventional staircases. This is because the steps are all located within the diameter of the spiral, regardless of the height.

Are spiral staircases legal?

Spiral stairways are permitted, provided that the clear width at and below the handrail is not less than 26 inches (660 mm) and the walkline radius is not greater than 241/2 inches (622 mm). Headroom shall be not less than 6 feet 6 inches (1982 mm).

Do spiral staircases save space?

Is a spiral staircase a bad idea?

Spiral staircases, when installed correctly, are just as safe as any other type of staircase, particularly if non-slip treads are laid to help slips and trips. However, it’s absolutely imperative that you only use spiral staircase kits which comply with the Building Regulations and safety standards.

Is a spiral staircase a good idea?

Spiral staircases generally have a steeper incline which means that they take up less area and are ideal if you want extra room downstairs. They can also let in more light because of this and can definitely become a great centre point for any room. They make great second staircases and can add value to any home.