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  2. Styrofoam - Wikipedia

    en.wikipedia.org/wiki/Styrofoam

    Styrofoam insulation extruded polystyrene foam (XPS), owned and manufactured by DuPont. Styrofoam is a genericized trademarked brand of closed-cell extruded polystyrene foam (XPS), manufactured to provide continuous building insulation board used in walls, roofs, and foundations as thermal insulation and as a water barrier.

  3. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    Closed-cell foam is non-porous, and not moisture-penetrable, thereby effectively forming a semi-permeable vapor barrier. (N.B., vapor barriers are usually required by the Building Codes, regardless of the type of insulation used. Check with the local authorities to find out the requirements for your area.) Closed-cell foams are superior insulators.

  4. Rigid panel - Wikipedia

    en.wikipedia.org/wiki/Rigid_panel

    A multi-family residential building under construction with rigid panel exterior insulating sheathing. Rigid panel insulation, also referred to as continuous insulation, [1] can be made from foam plastics such as polyurethane (PUR), polyisocyanurate (PIR), and polystyrene, or from fibrous materials such as fiberglass, rock and slag wool.

  5. 'Spray foam insulation ruined our house sale' - AOL

    www.aol.com/spray-foam-insulation-ruined-house...

    Closed cell spray foam is rigid once set. It is a better thermal insulator and was previously sold to stabilise failing roofs. It is a better thermal insulator and was previously sold to stabilise ...

  6. Insulating concrete form - Wikipedia

    en.wikipedia.org/wiki/Insulating_concrete_form

    The first expanded polystyrene ICF Wall forms were developed in the late 1960s with the expiration of the original patent and the advent of modern foam plastics by BASF. [citation needed] Canadian contractor Werner Gregori filed the first patent for a foam concrete form in 1966 with a block "measuring 16 inches high by 48 inches long with a tongue-and-groove interlock, metal ties, and a waffle ...

  7. Spray foam - Wikipedia

    en.wikipedia.org/wiki/Spray_foam

    Open cell spray polyurethane foam insulation being applied in wall cavities. Open cell insulation can be crushed in your hand and has a lower insulation value. Closed cell is rigid to the touch and each air cell is completely sealed. While closed cell foam has a higher R-value, it is more costly to buy. [9] Medium-density closed-cell spray foam ...

  8. Mexico asks US for complete file on Zambada's arrest, local ...

    www.aol.com/news/mexico-asks-us-complete-file...

    MEXICO CITY (Reuters) -Mexican President Claudia Sheinbaum asked U.S. President Joe Biden to provide all information regarding the arrest earlier this year of legendary drug kingpin Ismael "El ...

  9. 'It could have been my son': Parents to protest over students ...

    www.aol.com/news/could-son-parents-protest-over...

    Family members and protesters are set to gather Sunday afternoon at a Cracker Barrel in Maryland, where a group of special education students received what the restaurant later called ...

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