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2. Composite lumber - Wikipedia

   en.wikipedia.org/wiki/Composite_lumber

   Composite deck boards are sold in either grooved or solid sided versions. The grooved composite board is fastened with hidden deck fasteners or clips, while the solid board is typically face-screwed. Most composite deck board manufacturers produce lengths of 12, 16, or 20 feet (3.7, 4.9, or 6.1 m), 5 + 1 ⁄ 2 by 3 ⁄ 4 inch (140 mm × 19 mm).

3. Concrete block - Wikipedia

   en.wikipedia.org/wiki/Concrete_block

   A pallet of "8-inch" concrete blocks An interior wall of painted concrete blocks Concrete masonry blocks A building constructed with concrete masonry blocks. A concrete block, also known as a cinder block in North American English, breeze block in British English, concrete masonry unit (CMU), or by various other terms, is a standard-size rectangular block used in building construction.

4. Hempcrete - Wikipedia

   en.wikipedia.org/wiki/Hempcrete

   Hempcrete has a coefficient of heat transfer of 0.0652 W/(m⋅K) and a specific weight of 296 kg/m 3. [34] Attention should be paid to mixing the hempcrete, as it influences the properties of the material. Further testing needs to be conducted in correlation to specimen size to determine the influence that size has on the properties of hempcrete.

5. Compressed earth block - Wikipedia

   en.wikipedia.org/wiki/Compressed_earth_block

   A compressed earth block (CEB), also known as a pressed earth block or a compressed soil block, is a building material made primarily from an appropriate mix of fairly dry inorganic subsoil, non-expansive clay, sand, and aggregate. Forming compressed earth blocks requires dampening, mechanically pressing at high pressure, and then drying the ...

6. Autoclaved aerated concrete - Wikipedia

   en.wikipedia.org/wiki/Autoclaved_aerated_concrete

   Lighter weight allows for easier handling of concrete bricks. The lighter weight saves cost and energy in transportation, labour expenses, and increases chances of survival during seismic activity. [56] Larger size blocks leads to faster masonry work. Reduces project cost for large constructions.

7. Molly (fastener) - Wikipedia

   en.wikipedia.org/wiki/Molly_(fastener)

   Figure 1 of the original patent for the molly bolt, U.S. Patent No. 2,018,251. The molly bolt was patented in 1934 by George Frederick Croessant. [3] Although his patent acknowledges that expandable fasteners of this general kind were already known, Croessant's patent is intended to provide "an improved and adequate anchoring grip that may be retightened if necessary and that will permit ...