Metal Spiral Staircase Dimensions

Metal Spiral Staircase Dimensions The walkline is located half-way along the stair width.

Spiral staircases are a versatile stair design option that are often used to save space. The opening for a spiral staircase that is used for egress would therefore need to be 64 inches 1524 mm square. Contents 1 About Us 2 Structural implications for different stair designs 4 Types of staircase design 10 Stair terminology 11 Style options materials and finishes 15 Staircase design price guides 19 Staircase regulations for spiral and helical stairs BC Get in touch About Us Spiral UK are the leading manufacturer of bespoke spiral helical and cantilever. The IRC Stair Code permits a 4 38 inch space.

Every spiral staircase we design from a standard spiral to double helical stairs is a one-of-a-kind custom work of art available in an endless array of wood species and steel finishes.

First take the dimensions of the stairwell opening. As per BS5395-2 1984This provision makes the stairs to fit comfortably in the given space. Minimum of an 1830mm diameter 2083mm in Scotland spiral in any of the cast aluminium ranges. There is no maximum diameter for a helical or spiral stair though this will be governed by other constraints governing widths and clearances.

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The diameters of our custom spiral staircases range from 40 all the way up to 80 and beyond ensuring that your custom stair dimensions fit the precise needs of your space. Beautiful

Although the minimum radius to be considered in a helical staircase is 70 centimeters you should always give preference to stairs with at least 80 centimeters radius. National Building Codes BOCA or Uniform building code requires a minimum of a 60 diameter spiral with 30 degree treads and a 4 on center maximum spacing for balusters. The smallest size diameter we offer is 3 feet 6 inches 42 X 42. The internal spiral stairs steel body ensures strength and durability.

The landing of a spiral stair clear area beyond the final tread is a function of the tread dimensions. The walkline is located 23 of the way along the. Metal Spiral Stair Kit Dimensions Diameter Minimum Finished Opening Clear Walk Space Between Pole and Rail Square Landing Size Degree of Tread Rotation Center Pole Diameter Base Plate Diameter Standard Handrail Width 36 Standard 3-8 x 3-8 1-6 1-10 x 1-10 30 3 12 10 1 14. Steps to Design a Spiral Staircase.

Spiral Staircase Residential Spiral Stairs follow a helical arc and the treads radiate around a central pole. It gives the height of the vertical rise of the staircase. This is normally known as a Category B staircase. Spiral Stairs follow a helical arc and the treads radiate around a central pole.

Other minor factor includes styles of tread and handrails aesthetics and functionality. 50 Diameter 60 inches requires at least a 62 inch x 62 inch floor opening. Closed baluster width with a 32mm round handrail in an easy grip PVC covering ensures no unsightly segment joins allowing for a smooth free-flowing handrail. Has designed manufactured and delivered a wide variety of spiral staircases in various material-types both fully assembled spiral staircases and kits ready to be assembled.

Walls may limit the diameter of your stair. It may vary from 33 1000mm to 66 2000mm depending on load and capacity required. For over three decades Stairways Inc. Minimum spiral stair tread width is 26 inches Salters code platforms start at 31 inches wide.

A Spiral Staircase typically has a handrail. If your stairwell square opening is for example 1600 x 1600 mm or round diameter 1600 mm the diameter of your staircase will be 1500 x 1500 mm or 1500 mm diameter. Using a Spiral Staircase to Access More Than One Habitable Room. Landing width shall not be less than the required staircase width.

However this can be a disadvantage as it can be very steep. 800mm clear width 900mm in Scotland and a centre going of 190mm. The Calculator will be available after changes in the relevant parameters. Get professional drawings number of materials adaptive 3D.

The stair diameter is used to determine the angle of rotation. A great solution where space is at a premium think lofts container conversions and tiny homes. Spiral staircase detail drawing pdf Saturday March 12 2022 Edit. Our best-selling interior stair kits.

The diameter of the spiral staircase depends on the opening provided on the ceiling which is determined from the respective code. Back to Spiral Stairs 101. The walkine is located 50 cm 20 from the inner handrail or in the centre if the stair width is less than 1m 40. Stair balusters shall be spaced so a 4-inch object cannot pass between.

Available in steel or aluminum. Our designers can help you determine the best size stair for your space. Interior Metal Spiral Stair Overview. 56 Diameter 66 inches requires at least a 68 inch x 68 inch floor opening.

This is to be able to fit the staircase in an easy way and to allow for the hand to grab the handrail without touching the slab. Engineered for safety designed to complement any style. 60 Diameter 72 inches requires at least a 74 inch x 74 inch floor opening. Customizable with a full range of trim and accessory options including tread.

It gives the height of the vertical rise of the staircase. We offer the most versatile stair type in our industry and you can choose from our standard components or design your own. Before ordering check with your local building inspector for code requirements in your application. Standard diameters increase in six inch increments 42.

They are often found in industrial contexts and the reduced tread width allows for a very compact design.