Practical tips

Practical solutions for natural stone – choosing, installing, and maintaining

Discover simple solutions for choosing, installing, and maintaining natural stone (travertine, marble, granite, slate, decorative stone). PIATRAONLINE, a leader since 2007. This page turns the questions we get from customers every day into a complete guide. You can contribute too – send us your question. You ask, we answer!

What you’ll find on the Practical Tips page

Granite kitchen countertops: how to choose one and how to maintain it.
Window sills: how to install them, what stone to use, how to measure.
Exterior travertine cladding: recommendations and treatments.
Outdoor pool paving: design ideas and value-for-money solutions.

Why choose PIATRAONLINE?

Since 2007, PIATRAONLINE has offered premium services in over 22 countries, with over 70,000 completed projects.

Technical Department. 2. Long-term relationships. 3. Availability (6 days a week, in Bucharest and Timișoara).

Get in touch via WhatsApp: +40 744 880 077. Email: [email protected].

Decorative stone – choosing, installing, and maintaining

1. What types of decorative stone work for outdoor use?

Decorative stone type	Advantages	Recommended applications
Split-face / Antiqued / Brushed Travertine	Weather resistance, rustic look	Façades, walkways, curbs, terraces.
Split-face / Flamed Granite	Anti-slip surface, durable	Outdoor stairs, fences, paving.
Polygonal Slate / Rock-face Marble	Natural, rustic design and durability	Vertical cladding, fences.
Natural Slate	Modern, bright look	Plinths, columns, decorative façades.

2. How do you correctly install decorative stone on a façade?

Prepare the substrate (cleaning, Weber GR100 primer). Choose the adhesive (Weber Marmo Plus). Install the stone (adhesive on the back and on the substrate, even pressure). Grout the joints (Weber Color Stone). Seal it (LTP Mattstone or LTP External Sealer).

3. Advantages of white decorative stone in the garden: A premium look (contrast with greenery). Durability. Easy to maintain (water or LTP Grimex). Versatile use (curbs, walkways, decorative elements).

4. How do you maintain decorative stone indoors? Daily cleaning (LTP Waxwash, pH neutral). Stain protection (LTP Mattstone, two coats). Repairs (special grout). Avoiding harsh products.

5. Stone for cladding fences: Polygonal slate (rustic, natural). Antiqued travertine (elegant). Flamed granite (extreme durability).

Travertine – recommendations, installation, and maintenance

1. Recommendations for outdoor travertine:

Travertine type	Advantages	Recommended applications
Travertino Classic	Natural texture, weather-resistant.	Façades, walkways, terraces, pools.
Travertino Silver	Elegant gray tones, anti-slip.	Outdoor flooring, curbs.
Travertino Latte	Warm coffee-and-milk tones, extremely durable.	Medium-traffic areas, paving.

2. How do I choose travertine for a kitchen? Stain resistance (polished travertine). Color (beige, cream). Protection (a marble-safe sealant kit).

3. Travertine in modern bathrooms? Yes – moisture resistance (with LTP Mattstone), a premium look, anti-slip texture (antiqued patterns).

4. Differences between indoor and outdoor travertine: Indoor – polished/honed finish, premium look, less exposure. Outdoor – antiqued/brushed finish, natural/Mediterranean look, weather-resistant.

5. How are travertine tiles installed on a terrace? Prepare the surface (Weber GR100 primer). Adhesive (Weber Marmo Plus). Grouting (Weber Color Comfort). Sealing (LTP External Sealer).

6. Shades of gray travertine: Travertino Silver (light gray, elegant – façades, flooring). Gray Travertine (rustic – terraces, pools, walkways).

7. The “French Pattern/Versailles” layout: a classic style using tiles of varying sizes. Tile sizes in a set: 61×40.4 cm, 2 tiles at 40.6×40.6 cm, 1 tile at 40.6×20.3 cm, 2 tiles at 20.3×20.3 cm; one full set covers 0.742 sqm. Materials: antiqued travertine (and marble). Applications: terraces, pools, flooring.

8. Is Travertino Romano suitable for heavy traffic? Yes, a 3 cm thickness ensures durability.

9. Is it safe near pools? Yes, the antiqued finish provides an anti-slip texture.

10. For exterior cladding? Yes, indoors (1.2 or 2 cm thick), outdoors (3 cm).

11. Maintenance: cleaning with dedicated solutions, periodic sealing, specialized detergents.

12. Installation on concrete vs. semi-dry screed: concrete for heavy traffic; semi-dry screed for walkways and lighter loads.

Questions from customers:

Can I customize an outdoor grill/BBQ surround? Yes – slate is ideal (heat resistance). For installation: Weber SuperFlex.

What stone works for window sills? Granite (durable, indoor/outdoor). Travertine (natural look, indoor/outdoor). Marble (premium, indoor). Slate (architectural, outdoor).

What silicone should I use for exterior window sills? Neutral, weather-resistant silicone.

How is an interior window sill installed? Prepare the substrate, apply Weber Marmo Plus adhesive, level with a spirit level, finish with neutral silicone.

How do you calculate a window sill’s size? Window length + 5 cm margins; width + 3-5 cm overhang; +10% for waste.

Stone for interior stairs: Marble, travertine, granite.

Stone for exterior stairs: Marble (honed/brushed/sandblasted/bush-hammered), travertine (antiqued/brushed/matte – e.g. Travertino Latte at Militari Residence), granite.

Exterior natural stone cladding: surface preparation, Weber GR100 primer, Weber Marmo Plus adhesive, LTP Mattstone/External Sealer sealing.

What face brick options are there? Deco Brick (17x8x5 cm), Victoria (21×6.5×1.5 cm), Antiqued Travertino Classic (20.3x5x3 cm), Thassos Fileti marble.

Courtyard paving material (value for money): Travertine (sophisticated, affordable); granite (extremely durable, anti-slip).

Cladding for exterior stairs: Granite, marble, travertine; NEW: slate (affordable).

Cladding/paving for pools: Travertine/marble (anti-slip, wet areas); granite/sintered stone (durability, terraces).

Granite – advantages, maintenance, and installation

1. Advantages of a granite countertop: Extreme durability (scratches, cuts, high temperatures). Premium look. Stain resistance (treated with sealant). Easy to maintain (LTP Waxwash). Added value. Recommendation: a marble-safe sealant kit.

2. Maintaining granite window sills: Daily cleaning (LTP Waxwash). Sealing (LTP Mattstone or LTP Colour Intensifier). Avoiding abrasive products.

3. Types of black granite: Black Galaxy (deep black with golden flecks – countertops, sills, flooring). Absolute Black (uniform black – façades, steps, furniture). Nero Zimbabwe (matte, rustic – terraces, fences, cladding).

4. Is flamed granite suitable outdoors? Yes – anti-slip surface, weather resistance, durability. Applications: terraces, pools, steps, walkways, façades.

5. Installing granite steps: Prepare the substrate. Adhesive (Weber Marmo Plus). Installation (adhesive on both surfaces, pressure). Grouting (Weber Color Comfort). Sealing (LTP Mattstone).

6. What’s used to glue granite window sills? Weber Marmo Plus adhesive and water-resistant silicone. Steps: prepare the substrate, apply the adhesive evenly, fix the sills in place, silicone at the edges.

Natural stone vs. ceramic tile

One of the key decisions is between natural stone and ceramic tile.

Advantages of natural stone: Exceptional durability (lasts thousands of years). Unique look (natural variation). Versatility (bathrooms, kitchens, façades, terraces, furniture). Easy to restore. Sealing: bathrooms – once a year (2-3 coats); high-traffic areas – every few years.

Ceramic tile: Moisture resistance. Minimal maintenance (no sealing needed). Lower cost. A wide range of designs (imitating stone, wood, concrete).

Characteristic	Natural stone	Ceramic tile
Durability	Lasts thousands of years, extreme conditions	Holds up in standard conditions, affected by weather
Look	Every tile is unique, natural variation	Uniform look, modern design
Versatility	Flooring, walls, steps, countertops, furniture	Walls and floors, less suited to special uses
Maintenance	Periodic sealing	Easy to maintain, no treatment needed
Sustainability	Natural, eco-friendly, non-toxic material	Industrial product, less sustainable