Description
Saint-Jean-de-Luz is a glass-ceramic herringbone mosaic; its colour is white marble with grey patches. The sheets are laid quickly, and water and light add depth to the surface.
White marble with darker grey patches on the sticks leaves a pattern like a scattered ink cloud, and the herringbone layout gives it movement. The mosaic is appropriate in a bathroom, a shower area and behind a fireplace – anywhere you want a richer texture than plain white.
What you get with Saint-Jean-de-Luz
- Non-porous glass. Water absorption is up to 0.04 %, so the surface does not collect mould, stains or odours.
- Lasting colour. Sunlight (ISO 4892) and cleaning products (class A under ASTM C650) do not change it.
- Frost resistance. After testing to ASTM C1026 the material withstands alternating freezing and thawing, so it can also be used outdoors.
- Strength. Flexural strength is 55 N/mm² (EN ISO 10545-4), and the face is smooth and free of defects.
- Eco-friendly composition. The raw material is entirely recycled glass, and the colourants contain no lead, cadmium or other heavy metals.
Technical specifications
| Article code | MOSFBHB005 |
|---|---|
| Material | glass ceramic, made entirely from recycled glass |
| Chip shape | narrow sticks with a printed pattern, laid in a herringbone arrangement |
| Colour range | white marble with grey patches |
| Size of one sheet | 300 × 316 mm |
| Sheets per 1 m² | 12 |
| Recommended joint width | 2 mm |
| Back fixing | silicone (polyurethane) dots |
| Water absorption | not more than 0.04 % – EN ISO 10545-3 standard |
| Flexural strength | 55 N/mm² |
| Freeze and thaw | withstands (ASTM C1026) |
| Chemical resistance | class A, ASTM C650 test |
| Where to use | bathroom, shower, kitchen, spa and hammam, decorative walls |
| Packaging | 1 m² carton |
The silicone backing – why it beats mesh and paper
On the back, the sheet holds the chips together with small silicone (polyurethane) dots, leaving the back bare between them. The adhesive contacts over 95 % of each chip, so the bond is reliable. The silicone does not change the thickness of the cladding, is not affected by the adhesive and grout, and does not warp in storage.
The sheet is flexible, so it can be laid without trouble on curved walls, steps and corners.
| Criterion | Silicone dots | Mesh | Paper |
|---|---|---|---|
| Back free for the adhesive | over 95 % | less, because the mesh covers part of it | the whole back, but the paper is on the face |
| View of the chips during laying | chips and joints are visible | chips are visible | chips are under the paper |
| Curves and corners | very easy, the sheet is flexible | easy | difficult, the paper tears |
| After laying | nothing to remove | nothing to remove | the paper is soaked and peeled off |
Applications and use
- Accent wall in a bathroom or kitchen
- Floor and walls with a herringbone pattern
- Cladding for columns and niches
The mosaic suits bathrooms, showers, kitchens, spa centres and hammams, as well as decorative cladding. A white grout preserves the light look, while a light grey one softens the patches.
When the mosaic is in a shower or another wet area, use an epoxy or waterproof C2 grout: it does not absorb water and does not darken over time.
How much material to order
The area is calculated as height × width for each wall; add the results together and then add an allowance for cutting waste. As a guide, adhesive is about 2 kg/m² for a chip up to 25 mm, 2.5 kg/m² for 40 mm and 3 kg/m² for larger chips. Grout consumption comes from the expression (A + B) / (A × B) × C × D × 1.6 kg/m², calculated for a chip of about 3 cm, a thickness of 6 mm and a joint of 2 mm. Actual quantities vary with the substrate (how level it is and how much it absorbs), the adhesive and grout chosen, the trowel teeth, the joint profile and the installer's skill. Before buying adhesive and grout, check their technical data sheets.
The mosaic is sold in multiples of a 1 m² carton. Order the whole quantity at once, with a reserve of 5 to 10 %, so that it comes from one batch and has one shade.
How to install it
- The substrate. First level it (a deviation of up to 2 mm over two metres is acceptable) and make sure it is dry, sound and dust-free. For a shower area, lay waterproofing first.
- Choosing the adhesive. Take a white flexible cement adhesive of class C2TE S1. Its colour matters, because glass lets a little light through and a grey adhesive would make the shade darker.
- Spreading. Apply the adhesive with a 3–4 mm notched trowel, each time only over as much area as 2–3 sheets cover.
- Pressing. Place the sheets one after another, press them with a rubber float and keep the same 2 mm gap between sheets as between the chips.
- Trimming. Where a sheet meets a corner or an opening, cut through the dots on the back with a utility knife; individual chips are shaped with glass mosaic nippers.
- The grout. Wait a day. In wet areas use an epoxy mixture or C2 waterproof grout.
- Cleaning. While the grout is still soft, remove the excess with a damp sponge. Epoxy grout is cleaned immediately with a specialised cleaner.
- First use. Turn on the shower only once the grout has fully hardened.
Have ready in advance: white C2TE S1 adhesive, grout (epoxy or waterproof), a trowel with 3–4 mm teeth, a rubber float, a utility knife, special nippers for glass, a sponge and a bucket of clean water.
How the mosaic was tested
The manufacturer has tested the material to several standards: ISO 4892 for UV ageing (no change), EN ISO 10545-2 for surface defects (100 % defect-free) and EN ISO 10545 for thermal expansion (withstands). To these are added the data on water absorption, flexural strength, chemicals and freezing given above.
Maintenance
- For everyday cleaning, a soft sponge or cloth and a mild cleaner without aggressive ingredients are enough.
- Keep away from abrasive cleaning powders, wire brushes and acidic grout cleaners.
- When you step out of the shower, wipe the wall with a rubber squeegee – this leaves no drops on the glass.
Questions and answers
Which adhesive is suitable for Saint-Jean-de-Luz?
White flexible cement adhesive C2TE S1; this way the colour of the glass is shown accurately.
Which grout should I choose?
In damp rooms – epoxy or waterproof. A white grout preserves the light look, while a light grey one softens the patches.
Is a smaller quantity sold?
No. The unit is a 1 m² carton, so take the whole quantity at once – this way the sheets come from one batch.
Is it suitable for pool water with salt or chlorine?
It is intended for walls and wet areas. The glass does not react with cleaning products.
Can it go over existing tiles?
Yes, as long as they are stable, clean and degreased, and have first been treated with a suitable primer.
Does the colour in the photo match the real one?
Glass changes its appearance depending on its surroundings, so the real colour may differ from that in photos and visualisations. The reasons are:
- the screen you are viewing on – a monitor, phone or tablet with different brightness and calibration;
- daylight or artificial light and the time of day;
- the direction of view – glass reflects and sparkles at different angles;
- the grout and adhesive chosen, as well as the size of the clad surface;
- the tones around it – floors, walls, greenery;
- the production batch – the shade may shift slightly from one to another, so do not buy in parts;
- the natural variation between chips in mixed models and in glass with effects.
The interiors shown are for illustration only. If the exact shade is decisive, ask us before you order.
Send us the dimensions of the room and we will help you calculate the square metres and the number of cartons before you order.
See also: Wellness, Pools and Equipment, Cladding and Paving, Pools, Pool Chemicals, Pool Accessories.
