Calgary Anthracite Spiral Staircase

✅ Contemporary spiral staircase in Anthracite (RAL 7016)
🚚 FREE UK Mainland Delivery — securely packaged and tracked

Compact footprint with adjustable height and dual diameter options

The Calgary Anthracite Spiral Staircase delivers modern architectural styling combined with structural strength and efficient space use. Designed for domestic interiors, it provides safe access to lofts, mezzanines and upper levels without dominating the room.

Technical

• Floor-to-Floor Heights: 2.45m – 2.81m

• Staircase Diameter: 120cm or 140cm

• Tread Material: Multiplex wood with beech veneer

• Structure Material: Powder Coated Steel (Anthracite RAL 7016)

• Max Point Load: 200kg

• Max Surface Load: 620kg

• Use Type: Domestic

• Certified to: EN 1991 & EN 1993

• Meets UK Building Regulations: No (optional upgrades available)

• Guarantee: Lifetime Guarantee

Key Benefits

• Modern Anthracite Finish
  Powder-coated steel structure in RAL 7016 creates a sleek, contemporary appearance.

• Two Diameter Options
  Choose 120cm for tighter spaces or 140cm for increased walking comfort.

• Adjustable Floor Height System
  Designed for installation between 2.45m and 2.81m floor-to-floor height.

• Customisable Rise Height
  Tread rise adjustable between 20.4cm and 23.4cm using supplied spacer rings.

• Durable Beech Multiplex Treads
  35mm thick varnished treads offer strength and a refined interior finish.

• Minimal Footprint Design
  Spiral configuration maximises usable floor area.

• Structural Strength
  Tested to 620kg total surface load and 200kg point load.

• Optional Safety Upgrades
  Riser bars and middle banister packs available where additional safety compliance is required.

📏 Sizes & Dimensions

Always measure your finished floor-to-floor height and structural opening before ordering.

How Does It Compare?

The Calgary Anthracite model offers certified structural performance, adjustable installation and premium materials rather than a decorative-only spiral stair kit.

Full Product Overview

The Calgary Anthracite Spiral Staircase combines efficient space use with bold modern styling. Its anthracite powder-coated steel structure creates a strong architectural presence, while varnished beech multiplex treads provide durability and comfort underfoot.

Designed for floor-to-floor heights between 2.45m and 2.81m, the staircase features an adjustable rise system that allows tailored installation. Available in 120cm or 140cm diameters, it adapts to both compact and more open layouts.

Although not supplied as UK Building Regulation compliant as standard, optional safety upgrades can be added where required. Certified to European structural standards and backed by a Lifetime Guarantee, the Calgary Anthracite Spiral Staircase delivers both performance and visual impact.

Safety & Build Details

• Powder-coated steel structure (RAL 7016)

• 35mm thick beech multiplex treads

• Adjustable rise configuration

• Banister system rated for 50kg/m horizontal load

• Tested to 620kg surface load and 200kg point load

• Certified to EN 1991 & EN 1993

Final Verdict

The Calgary Anthracite Spiral Staircase offers modern design, structural strength and compact efficiency in one adaptable system. With dual diameter options, adjustable height settings and a Lifetime Guarantee, it provides a reliable and stylish solution for domestic loft and mezzanine access.