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  2. Closed-cell PVC foamboard - Wikipedia

    en.wikipedia.org/wiki/Closed-cell_PVC_foamboard

    Closed-cell PVC foamboard is mainly used for industrial and manufacturing purposes. The material is primarily used in the manufacturing of signs and displays which are used for promotion ads, as well as road signs. [6] Its appealing material properties have made it popular among the makers of scale models and theatrical props. Builders who ...

  3. Magnesium oxide wallboard - Wikipedia

    en.wikipedia.org/wiki/Magnesium_oxide_wallboard

    Magnesium oxide wallboard (10 mm thickness) Magnesium oxide, more commonly called magnesia, is a mineral that when used as part of a cement mixture and cast into thin cement panels under proper curing procedures and practices can be used in residential and commercial building construction.

  4. Gypsum recycling - Wikipedia

    en.wikipedia.org/wiki/Gypsum_recycling

    Gypsum waste from new construction activities is typically a clean waste, and primarily consists of off-cuts of plasterboard (drywall, wallboard or gyprock) when the boards have been cut to fit the dimensions of the wall or ceiling. The waste may constitute 15% of the gypsum materials used on the site.

  5. Sandwich-structured composite - Wikipedia

    en.wikipedia.org/wiki/Sandwich-structured_composite

    1) In materials science, a sandwich-structured composite is a special class of composite materials that is fabricated by attaching two thin-but-stiff skins to a lightweight-but-thick core. The core material is normally of low strength, but its greater thickness provides the sandwich composite with high bending stiffness with overall low density.

  6. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    Insulation is a barrier material to resist/reduce substance (water, vapor, etc. ) /energy (sound, heat, electric, etc.) to transfer from one side to another. Heat/ Thermal Insulation is a barrier material to resist / block / reflect the heat energy (either one or more of the Conduction, Convection or Radiation) to transfer from one side to another.

  7. Foamcore - Wikipedia

    en.wikipedia.org/wiki/Foamcore

    Foamcore, foam board, or paper-faced foam board is a lightweight and easily cut material used for mounting of photographic prints, as backing for picture framing, for making scale models, and in painting. It consists of a board of polystyrene foam clad with an outer facing of paper on either side, typically white clay-coated paper or brown ...

  8. Blanking and piercing - Wikipedia

    en.wikipedia.org/wiki/Blanking_and_piercing

    The cut made in lancing is not a closed cut, like in perforation even though a similar machine is used, but a side is left connected to be bent sharply or in more of a rounded manner. [citation needed] Lancing can be used to make partial contours and free up material for other operations further down the production line.

  9. 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).