Architects specifying outdoor flooring often default to whichever stone they used last time, without comparing limestone and sandstone directly. Both work well for landscaping, but they perform differently enough that the choice should depend on the project, not habit. After supplying both to landscaping and flooring projects across 40+ countries, here’s how we’d compare them for a contractor weighing the decision.
Kota stone and other Indian limestone varieties are dense, naturally slip-resistant, and widely used in flooring applications across both residential and commercial projects, particularly in regions with hot climates since limestone stays cooler underfoot than darker stones. Limestone’s relatively uniform, flat-grain surface makes it a practical choice for large flooring areas where visual consistency matters, and its slip resistance makes it suitable for both indoor and sheltered outdoor flooring.
Sandstone offers a broader colour range — from Kandla Grey to Raj Green to Buff — and a more pronounced natural texture than limestone, which suits garden paving, pool surrounds and feature landscaping where visual character is part of the design. Sandstone’s coarser texture provides strong slip resistance even when fully exposed to weather, making it the more common choice for fully outdoor, unsheltered paving compared to limestone.
Both stones weather well outdoors, but sandstone’s coarser texture tends to mask weathering and minor staining better over time, while limestone’s smoother surface can show water marks more visibly if not sealed periodically. Limestone is generally easier to clean due to its flatter surface, while sandstone requires less frequent resealing thanks to its natural texture providing some inherent grip even as the surface ages.
For commercial flooring, lobbies and covered walkways, limestone is more commonly specified due to its consistent appearance and cooler surface temperature. For garden paving, pool surrounds and fully exposed outdoor landscaping, sandstone is the more frequent choice due to its texture and colour variety. Many large projects use both — limestone indoors, sandstone outdoors.
Limestone is typically supplied in 18-20mm flooring thickness and slab formats, while sandstone for paving is calibrated to 22mm as standard. Both are available in tile formats from 30x30cm up to 60x60cm. See our Indian limestone exporter and Indian sandstone exporter ranges for current stock and finish options.
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Sandstone is generally the better choice for pool surrounds due to its coarser, more slip-resistant texture in fully wet, exposed conditions.
Limestone has a consistent, flat-grain appearance and stays cooler underfoot than darker stones, making it a practical choice for large commercial flooring areas.
Sandstone generally requires less frequent resealing thanks to its natural texture, while limestone’s smoother surface benefits from more regular sealing to prevent visible water marks.
Yes, limestone can be used in sheltered outdoor areas and covered walkways, though sandstone is generally preferred for fully exposed outdoor landscaping.
Limestone flooring is typically 18-20mm, while sandstone for outdoor paving is calibrated to 22mm as standard.