Lecture 2 - ceramics

Ceramic tiles—specifically terracotta and porcelain—have been employed for architectural and decorative purposes “for a very long time throughout history.”
- Indicates a lineage stretching from ancient civilizations to the present day.
- Reinforces the durability and cultural importance of fired‐clay materials.

Shown via two close-up images of a mosque façade.
- Demonstrates intricate geometric and possibly calligraphic motifs typical of Islamic architecture.
Primary functions of mosaics:
- Adornment / Decoration: Provide visual richness, color variation, and textural interest.
- Narrative Storytelling: Tiles can depict religious, cultural, or historical stories, symbols, or teachings.
Significance:
- Serve as a non-verbal communication medium in sacred and civic spaces.
- Link between craftsmanship and cultural identity.

Definition: Low-fired, porous clay body that fires to an earthy reddish-brown color.
Classification remark: “Bricks can be classified as terracotta.”
- Highlights that standard building bricks share material characteristics with decorative terracotta tiles.
Practical implications:
- Widespread availability and affordability historically made terracotta an accessible building material.
- Porosity and thermal mass contribute to passive temperature regulation in structures.

Chimney decoration on an “old-style building.”
- Illustrates utilitarian structures (chimneys) becoming canvases for ornamental brick/terracotta work.
Mosque close-ups.
- Emphasize religious and cultural use of tiles to convey sacred meaning and enhance aesthetic appeal.

Ceramic tiles (terracotta, porcelain) are long‐standing building elements valued for durability, beauty, and story-telling capacity.
Mosaic technique excels at combining decoration with narrative content, particularly in religious architecture.
Terracotta’s classification encompasses both decorative tiles and everyday structural bricks, underscoring its versatility.