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  2. R-value (insulation) - Wikipedia

    en.wikipedia.org/wiki/R-value_(insulation)

    Loose-fill insulation comes in loose fibers or pellets and should be blown into a space. Rigid foam is more expensive than fiber, but generally has a higher R-value per unit of thickness. Foam-in-place insulation can be blown into small areas to control air leaks, like those around windows, or can be used to insulate an entire house. [33]

  3. Cellulose insulation - Wikipedia

    en.wikipedia.org/wiki/Cellulose_insulation

    While in 1976 there were roughly 100 cellulose insulation firms with 125 plants in the US, by 1978 there were more than 350 firms with more than 500 plants 1. Cellulose insulation was produced locally by small manufacturers who purchased ready-to-operate machines and offered a cheap and easy low-tech production process.

  4. List of television channels in Israel - Wikipedia

    en.wikipedia.org/wiki/List_of_television...

    This is a list of television channels available on digital terrestrial, satellite and cable systems in Israel. Channels shown in bright green are available free-to-air with Israel DTT service, called "Idan Plus".

  5. Building insulation - Wikipedia

    en.wikipedia.org/wiki/Building_insulation

    [7] [8] In the 19th century, people were no longer satisfied with using natural materials for thermal insulation, they processed the organic materials and produced the first insulated panels. [7] At the same time, more and more artificial materials start to emerge, and a large range of artificial thermal insulation materials were developed, e.g ...

  6. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    Cotton insulation is increasing in popularity as an environmentally preferable option for insulation. It has an R-value of around 3.7 (RSI-0.65), equivalent to the median value for fiberglass batts. The cotton is primarily recycled industrial scrap, providing a sustainability benefit.

  7. Insulated glazing - Wikipedia

    en.wikipedia.org/wiki/Insulated_glazing

    Greater space increases the insulation value up to a point, but eventually with a large enough gap, convection currents begin to flow carrying heat between the panes within the unit. Typically, most sealed units achieve maximum insulating values using a space of 16–19 mm (0.63–0.75 in) when measured at the centre of the IGU.

  8. Israel behind deadly pager explosions that targeted Hezbollah ...

    www.aol.com/exploding-pagers-injure-hundreds...

    The militant group had earlier confirmed on its Telegram channel that “workers” in various Hezbollah institutions were affected by the explosions, with a “large number” of people injured.

  9. Glass wool - Wikipedia

    en.wikipedia.org/wiki/Glass_wool

    Glass wool batt insulation. Glass wool is an insulating material made from glass fiber arranged using a binder into a texture similar to wool.The process traps many small pockets of air between the glass, and these small air pockets result in high thermal insulation properties.