| Azulejos de Lisboa: Colin Manning gives a photographic tour of some of the Portuguese tiles, known as azulejos, which adorn the inside and outside of almost every home in Portugal. |
| History of Plumbing: A series of articles from Plumbing and Mechanical magazine following the development of plumbing from ancient Babylon to modern America, hosted by theplumber.com |
| Rick's Bricks: A compilation of documents covering the history of brick-making and brick-building, particularly in Somerset County, Pennsylvania, US. Includes a bibliography. |
| Roman Concrete: David Moore's writings and references on Roman and modern concrete technology and construction. |
| Roofing Tiles: The TileMan presents six illustrated articles by Colonel Charles McGee from The Journeyman Roofer and Waterproofer (1947-50) explaining the design, manufacture and installation of clay roofing tile. |
| Stone Roofing Association: Provides an introduction to sandstone and limestone roofs, giving the geology, history and use of stone slates, with bibliography and glossary. |
| The Traditional Paint Forum: A non-profit group with an interest in historic decorative schemes, which publishes the journal "Traditional Paint News" (contents listed online). Annual conference, membership, news. |
| Tiles and Architectural Ceramics Society: This UK society provides a beginner's guide to the history of tiles used pave floors or decorate walls. |
| Timeline of Concrete: The story of concrete from the natural deposit of cement compounds 12,000,000 BC, through the creation of concrete by the Romans to its uses in the 1990s. Short bibliography. |
Classical
