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  2. Spray foam - Wikipedia

    en.wikipedia.org/wiki/Spray_foam

    Spray foam insulation or spray polyurethane foam (SPF) is an alternative to traditional building insulation such as fiberglass. A two-component mixture composed of isocyanate and polyol resin comes together at the tip of a gun, and forms an expanding foam that is sprayed onto roof tiles, concrete slabs, into wall cavities, or through holes ...

  3. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    Wet-spray cellulose insulation is similar to loose-fill insulation, but is applied with a small quantity of water to help the cellulose bind to the inside of open wall cavities, and to make the cellulose more resistant to settling. Spray application provides even better protection against air infiltration and improves wall rigidity.

  4. List of insulation materials - Wikipedia

    en.wikipedia.org/wiki/List_of_insulation_materials

    This is a list of insulation materials used around the world. Typical R-values are given for various materials and structures as approximations based on the average of available figures and are sorted by lowest value. R-value at 1 m gives R-values normalised to a 1 metre (3 ft 3 in) thickness and sorts by median value of the range.

  5. Building insulation - Wikipedia

    en.wikipedia.org/wiki/Building_insulation

    In the past time, the price of thermal insulation materials that displayed high insulated performance was very expensive. [40] With the development of material industry and the booming of science technologies, more and more insulation materials and insulated technologies have emerged during the 20th century, which gives us various options for ...

  6. Polyurethane - Wikipedia

    en.wikipedia.org/wiki/Polyurethane

    The polyol stream contains catalysts, surfactants, blowing agents (when making polyurethane foam insulation) and so on. The two components are referred to as a polyurethane system, or simply a system. The isocyanate is commonly referred to in North America as the 'A-side' or just the 'iso'.

  7. Polyurethane foam - Wikipedia

    en.wikipedia.org/wiki/Polyurethane_foam

    An assortment of polyurethane foam products for cushioning and insulation. Polyurethane foam is a solid polymeric foam based on polyurethane chemistry. As a specialist synthetic material with highly diverse applications, polyurethane foams are primarily used for thermal insulation and as a cushioning material in mattresses, upholstered furniture or as seating in vehicles.

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