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  2. Perforated metal - Wikipedia

    en.wikipedia.org/wiki/Perforated_metal

    Studies have shown that perforated metals help reduce sound levels. [4] Studies have shown that having buildings use perforated metal sheets in front of their façade can bring in one study 29% energy savings (HVAC + Lighting estimated consumption in 1 year) and in the second one 45% energy savings (heating, ventilation, air conditioning).

  3. Metal profiles - Wikipedia

    en.wikipedia.org/wiki/Metal_profiles

    Metal profile sheet systems are used to build cost efficient and reliable envelopes of mostly commercial buildings. They have evolved from the single skin metal cladding often associated with agricultural buildings to multi-layer systems for industrial and leisure application. As with most construction components, the ability of the cladding to ...

  4. Perfboard - Wikipedia

    en.wikipedia.org/wiki/Perfboard

    Top of a copper clad Perfboard with solder pads for each hole. Perfboard is a material for prototyping electronic circuits.It is a thin, rigid sheet with holes pre-drilled at standard intervals across a grid, usually a square grid of 0.1 inches (2.54 mm) spacing.

  5. Perforated hardboard - Wikipedia

    en.wikipedia.org/wiki/Perforated_hardboard

    Perforated wood may be mounted as a thin strip instead of the more square shape of perforated hardboard. [citation needed] Metal pegboard systems are usually made out of steel. Metal pegboards are usually mounted in strips, as it would be comparatively costly, cumbersome and inefficient to sell in larger sheets.

  6. Sheet metal - Wikipedia

    en.wikipedia.org/wiki/Sheet_metal

    Sheet metal is available in flat pieces or coiled strips. The coils are formed by running a continuous sheet of metal through a roll slitter. In most of the world, sheet metal thickness is consistently specified in millimeters. In the U.S., the thickness of sheet metal is commonly specified by a traditional, non-linear measure known as its ...

  7. Perforation - Wikipedia

    en.wikipedia.org/wiki/Perforation

    A partial image of a sheet of US Postage stamps, 1940 issue, featuring perforations. A perforation is a small hole in a thin material or web. There is usually more than one perforation in an organized fashion, where all of the holes collectively are called a perforation.

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