Quarried from significant mineral deposits in China, G664 granite stairs — also traded as Bainbrook Brown — are a worldwide standard for predictable and durable architectural trim. The stone offers a stable geological profile that resists environmental pollutants and mechanical impact, making it an essential choice for large-scale projects requiring thousands of matching units. The material functions as a reliable, cost-effective alternative to G648, providing a similar warm palette with a tighter mineral structure.

The visual character is defined by a consistent pinkish-brown matrix infused with grey and black mineral points, resulting in a balanced, neutral tone that integrates effectively into various architectural styles. This grain uniformity is particularly critical for stair components where multiple treads and risers must maintain a cohesive appearance. In its bush-hammered or sandblasted state, the stone reveals a textured surface that maximizes safety in high-traffic public zones without compromising the material's inherent durability.

Typical Applications

• Commercial stair treads and risers requiring high slip resistance and durability.
• Public plaza paving and high-traffic municipal walkways.
• Exterior building facades and durable architectural columns.
• Residential interior flooring and commercial restroom surfacing.

Available Formats

• Finish options: Polished, Flamed, Honed, Bush-hammered, Sandblasted
• Thickness: 2cm, 3cm
• Stair sizes: 100-160cm x 30-35cm; custom dimensions available

Buyer Notes

• Suitability: Heavy-duty commercial stairs and high-volume architectural trim.
• Sealing: Sealing recommended for high-traffic public installations to ease daily cleaning.
• MOQ: 50 sqm minimum — contact us for project-volume pricing
• Samples: Available on request before bulk order commitment

Procurement managers benefit from a reliable 15-25 day lead time, supported by large-volume production capacity for multi-phase infrastructure projects. Stair components are precisely cut using automatic infrared technology to ensure zero-tolerance fitment during site installation. Every unit is bundled in seaworthy crates with reinforced strapping to ensure safe delivery to international project sites. Specify the bush-hammered finish for exterior stairs to meet international safety and accessibility standards.