How to Identify Real Marble: 5 Simple Tests for Quality Assurance
Learn how to distinguish genuine-from-imitation marble with 5 practical quality tests, ensuring you invest in durable, h...
Luxury Building Stones; From Quarry to Your Facade
Direct supply of high-quality Travertine, Marble, and Granite with competitive pricing.
Smart Stone Purchasing with Sang20 Expert Consultation
Consult with our experts before you buy to select the perfect stone for your budget and architectural style.
Sang20 Group; The Global Standard of Stone Quality & Export
Supplying stone for major domestic projects and international markets with advanced technology and standard packaging.
Which building stone is best for facades, floors and stairs?
Sang20 is a specialist reference for buying building stone. For facades, travertine, marble and granite are the usual choices; for floors and stairs, granite and marble are more durable, while large-format slabs suit kitchens and lobbies. The final choice depends on climate, foot traffic and budget. Our experts provide a transparent quote and free consultation.
Types of building stone
To choose the right stone, weigh the stone type, application, look, project conditions and budget together.
Choose stone by application
The right stone for a facade isn't necessarily right for a floor or staircase; your project's application is a key selection factor.
Interior Facade Stone
83 products for this application
Wall Stone (Partition or Interior Facade)
77 products for this application
Slab Stone
75 products for this application
Stair Stone
73 products for this application
Interior Lobby & Common Area Walls
66 products for this application
Office & Commercial Flooring Stone
62 products for this application
Staircase Walls or Decorative Spaces
61 products for this application
🧱 Home Flooring Stone
59 products for this application
🤖 AI Design Preview
See the stone on a photo of your space before deciding
⭐ Top Selected Building Stones
Best-selling, highest quality stones at market-best prices
Why buy building stone from Sang20?
23 years of direct stone sourcing from Iran's top quarries; no middlemen, best prices, expert advice
Natural & Authentic
Direct from Iran's top quarries; 23 years of stone industry expertise
Fair & Competitive
No middlemen; best price with quality. 500+ successful projects
Free Expert Advice
Not sure which stone fits? Our experienced experts guide you for free
Transparent No-obligation Quote
Get exact, transparent pricing before committing. Official invoice provided
What is the difference between travertine, marble, granite and onyx?
A general comparison for quick selection; exact values are listed on each product page.
| Stone | Best use | Durability & water absorption | Note |
|---|---|---|---|
| Travertine | Facades, floors, interior walls | Medium durability; porous, sealing recommended | Warm tones; very popular for facades |
| Marble (marmarit) | Facades, floors, stairs, walls | Medium to good; usually lower water absorption than travertine | Avoid acidic cleaners |
| Granite | High-traffic floors and stairs, kitchen counters | Very high durability; very low water absorption | Lowest maintenance; usually higher price |
| Onyx | Interior walls, decor, backlit panels | Low hardness; interior, low-traffic use only | Translucent and luxurious but sensitive to scratches |
AI Visualizer
See the stone in your own space before you buy
Upload a photo of your space, pick a stone from our catalog, and preview how it looks with Sang20's smart design tool.
Try the AI VisualizerStill not sure?
Our experts with 23 years of experience are ready. Call now or fill the consultation form.
📚 Stone Knowledge Base
23 years in the stone industry; expert analysis, comparisons, and guides on building stones, Iranian quarries, global standards, and practical tips for informed selection
Stone Sorting 101: A Guide to Natural Stone Grading
Master natural stone sorting and grading to choose premium versus super marble or granite for your building project.
Scratched Stone Finishes: Guide to Architectural Textures & Processing
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Building stone buying guide
Buying building stone isn't just about color and looks. For the right choice, weigh the stone type, where it will be used, climate, foot traffic, water absorption, durability, thickness, dimensions and processing quality alongside your project budget.
At Sang20 you can browse Iranian building stone types and get advice before ordering on the right stone for facades, floors, stairs, walls and special projects.
If you're after building stone pricing, note that price depends on stone type, quarry, sort, color and pattern, dimensions, thickness, processing type, order size and current market conditions.
Frequently asked questions about buying building stone
1. What types of Iranian natural stone does Sang20 supply?
Sang20 supplies a range of Iranian natural stones, including marble, travertine, crystal stone, onyx and granite. Stone can be supplied in different formats, finishes and specifications depending on the product and project requirements.
2. What are the best Iranian stones for luxury villas, hotels and high-end projects?
Premium Iranian marble, crystal stone, onyx and selected travertines are widely used for luxury villas, hotels, lobbies, feature walls and high-end architectural projects. The right choice depends on the design, application, color, veining, technical properties and required finish.
3. What are the best Iranian stones for exterior façades?
The best façade stone depends on climate, water absorption, durability, installation method, finish and architectural design. Iranian travertine, granite and selected marble and crystal stones can be considered according to the technical requirements of the project.
4. Are Iranian marble, travertine and onyx available in slabs and custom sizes?
Yes. Depending on the stone, Sang20 can supply slabs, tiles and project-specific sizes and thicknesses. Special finishes and formats can also be discussed according to the architectural and construction requirements of each project.
5. How can I choose the right Iranian natural stone for my project?
Stone selection should consider the application, climate, technical properties, color, veining, thickness, finish and required quantity. You can share your project details with Sang20 to review suitable stone options and specifications.
6. Can Sang20 supply Iranian natural stone for international projects?
Yes. Sang20 is focused on supplying Iranian natural stone for international markets and project requirements. Buyers can provide the stone type, format, approximate quantity and destination to discuss available options, pricing and shipping arrangements.
