There are materials that transcend trends with elegance.Natural stoneis one of them. On a terrace, it brings atimeless nobility, avibrant textureand agreat durability. But achieving a natural stone terrace requires much more than a simple aesthetic choice:ground preparation, laying technique, jointing…every step matters.
In this article, we guide you step by step to create a solid, beautiful and durable terrace, with all the richness that natural stone offers.
1. Choosing your natural stone wisely: style, use and climate
The success of your terrace starts with the rightmaterial choice. Here are the main options:
● Belgian blue stone
Warm, durable, local. Perfect for aclassic or contemporary style. It develops anelegant patinaover time.
● Asian sandstone or Belgian sandstone
With its soft hues and rich textures, it is very suitable fornatural and rustic terraces. Beware ofslipping when wet: opt for a flamed or honed non-polished finish.
● Travertine
Very trendy in southern gardens. Light beige, soft surface, butmore porous: to be treated against stains.
● Quartzite, granite, basalt…
For moreraw, modern or designer. Durable and long-lasting, but often more technical to lay.
👉 The Green Val advice: adapt your stoneto the style of your house, to the use (shaded area, damp, full sun…) and to local climate constraints.
2. Prepare the ground: solid foundations for durable stone
A natural stone terrace does not tolerate approximation. Thepreparation of the groundis essential toavoid cracks, subsidence and rising damp.
Two main laying options:
● Glued on concrete slab
✔ Recommended for thin slabs or irregular stones.
✔ Requires a well-drained, stable and level concrete slab.
✔ Possible waterproofing depending on the type of stone.
● Laid on stabilised (sand-cement beds)
✔ More flexible, eco-friendly and economical.
✔ Provided that there is agood draining sub-layer, compacted in several layers (hardcore, gravel, stabilised).
👉 Think aboutwater drainage: plan for a slight slope (1 to 2 %), channels or ditches if necessary.
3. Joints, finishes and common mistakes to avoid
The finish makes all the difference in a successful patio.
● The joints
- Flexible joint (polyurethane): ideal for expansion areas, more elastic, good for large surfaces.
- Mineral or dry joint: discreet and permeable, perfect for a natural look.
- Classic cement joint: more rigid, but beware of cracks in freezing conditions.
● Common mistakes
❌ Laying a stone not suitable for outdoor use (too porous or slippery).
❌ Forgetting drainage or laying on poorly compacted ground.
❌ Neglecting the slope: standing water = moss, stains and risk of frost.
❌ Making joints too thin on irregular stones = guaranteed cracks.
👉 The Green Val advice: it is better to have apreciseand careful installation than to rush. Our teams lay each stoneby hand, with the right gesture, in the right place.
Conclusion
Creating anatural stone patio, is choosingtimeless eleganceanddurability. But for the charm to last, every step must be carefully considered:choice of stone, soil quality, laying technique, finishes…
At Verval, we support you in making your outdoor space asolid, beautiful and functional, while respecting your style and budget.