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2. Dry stone - Wikipedia

   en.wikipedia.org/wiki/Dry_stone

   Dry stone walls in the Yorkshire Dales, England. Dry stone, sometimes called drystack or, in Scotland, drystane, is a building method by which structures are constructed from stones without any mortar to bind them together. [1] A certain amount of binding is obtained through the use of carefully selected interlocking stones.

3. Guastavino tile - Wikipedia

   en.wikipedia.org/wiki/Guastavino_tile

   The Guastavino terracotta tiles are standardized, less than 1 inch (25 mm) thick, and about 6 by 12 inches (150 by 300 mm) across. They are usually set in three herringbone-pattern courses with a sandwich of thin layers of Portland cement. Unlike heavier stone construction, these tile domes could be built without centering. Supporting formwork ...

4. Structural clay tile - Wikipedia

   en.wikipedia.org/wiki/Structural_clay_tile

   Also called building tile, structural terra cotta, hollow tile, saltillo tile, and clay block, the material is an extruded clay shape with substantial depth that allows it to be laid in the same manner as other clay or concrete masonry. In North America it was chiefly used during the late 19th and early 20th centuries, reaching peak popularity ...

5. Insulating concrete form - Wikipedia

   en.wikipedia.org/wiki/Insulating_concrete_form

   The first expanded polystyrene ICF Wall forms were developed in the late 1960s with the expiration of the original patent and the advent of modern foam plastics by BASF. [citation needed] Canadian contractor Werner Gregori filed the first patent for a foam concrete form in 1966 with a block "measuring 16 inches high by 48 inches long with a tongue-and-groove interlock, metal ties, and a waffle ...

6. Gypsum block - Wikipedia

   en.wikipedia.org/wiki/Gypsum_block

   A gypsum block is made of gypsum plaster and water. The manufacturing process [1] is automated at production plants where raw gypsum (CaSO 4 ·2H 2 O) is ground and dried, then heated to remove three-quarters of the bound water and thus transformed into calcium sulfate hemihydrate (CaSO 4 ·½H 2 O), also known as gypsum plaster, stucco, calcined gypsum or plaster of Paris.

7. Hydraform International - Wikipedia

   en.wikipedia.org/wiki/Hydraform_International

   The process of interlocking blocks is also cost-effective as the blocks are dry-stacked [27] to create a wall as opposed to the standard masonry practices where the blocks are laid and cemented by mortar. Hydraform blocks are interlocked instead of laid and pasted together using mortar as seen in standard brickwork. By being dry-stacked, the ...