Zellige tile technical sheet

Zellige, definition and composition

Zellige is a handcrafted ceramic, made one by one from non-refined natural clay extracted in the region of Fez (Morocco).
This clay is mixed and kneaded with water, shaped by hand, dried naturally and baked. The glazing (vitreous compounds and mineral pigments conforming to EEC standards) is applied on the tiles, then melted/vitrified, resulting in multiple semi-transparent, metallic, pearlescent or opaque shades.
The essence of Zellige is the irregularity of surface appearance, size and shape, flatness, tone, shine, depth and colour. Each Zellige tile is unique.

Size, tone and surface finish

MOSAIC del Sur Zellige is manufactured at our manufacturing facilities in Morocco, following traditional processes of craftsmanship.
Tiles are elaborated one by one from non-refined natural clay extracted in the region of Fez. This “white” clay is mixed and kneaded with water, moulded by hand, dried naturally and kiln-baked.
The tiles you will receive will show variations and irregularities that we consider acceptable and in accordance with the Zellige definition.
Zellige tiles displayed in our showrooms and images in our web are illustrations of the variable nature of Zellige.

Applicable standards & norms

Zellige tiles are handcrafted and not industrially manufactured, which makes every tile unique in its characteristics. Due to this non-standardized nature, there is no international norms (CE, ISO, DIN..) that could include and refer to Zellige tiles.
Nevertheless, we have carried out a series of standardized tests adapted to ceramic products on our Zellige tiles. Please find the results in the following section:

Resistance to surface Abrasion*
ENAC laboratory, AICE-ITC, 2017.
Tests according to standard : UNE-EN ISO 10545-7:1999.
Results: Classification: CLASS 4. Abrasion stage at failure: > 12000 rev.

Determination of resistance to Thermal Shock*
ENAC laboratory, AICE-ITC, 2017.
Tests according to standard UNE-EN ISO 10545-9:2013.
Results: Number of tiles tested 5; number of tiles with visible defects: 0.
Observed defects: No tested piece showed signs of thermal shock.

Determination of chemical resistance*
ENAC laboratory, AICE-ITC, 2017.
Tests according to standard UNE-EN ISO 10545-13:1998.
Results: Ammonuim chloride 100g/l; no visible effect.
Hydrochloric acid 3%: no visible effect.

* Please note that due to the non-standard nature of the product, any test applies exclusively to the tiles tested.

Weight and packaging

Each standard square meter (11-12mm thickness) weighs 18/24 kg. The weight of the packaging, pallets and protection should be added for transport. Tiles are protected with foam dividers and packaged in boxes depending on shape. For example, 10x10 tiles are packed in 32x20,6x10 cm cardboard boxes containing 50 tiles and weighing 11 kilos.