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  2. Foam glass - Wikipedia

    en.wikipedia.org/wiki/Foam_glass

    In the 1930s, Saint-Gobain of France first developed foam glass with calcium carbonate as a foaming agent. In 1932, it applied for a patent. [5]An early report of foam glass as a construction material was made by the Soviet scientist, Professor Isaak Ilych Kitaygorodskiy at the All-Union Conference on Standardization and Manufacture of New Construction Materials in Moscow in 1932. [6]

  3. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    Open-cell foam is porous, allowing water vapor and liquid water to penetrate the insulation. 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.

  4. 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 ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Vapor barrier - Wikipedia

    en.wikipedia.org/wiki/Vapor_barrier

    Vapor retarder paints (for the air-tight drywall system, for retrofits where finished walls and ceilings will not be replaced, or for dry basements: can break down over time due to being chemically based). Extruded polystyrene or foil-faced foam board insulation. Exterior grade plywood, 0.70 US perm (40 SI perm).

  7. 12 Vintage Christmas Blow Molds Worth Serious Cash

    www.aol.com/12-vintage-christmas-blow-molds...

    Price on Etsy: $1,650 While most blow molds are 100% plastic, this Santa face from the ’50s embedded in a wood frame is the only plastic piece classifying this decoration as a blow mold.

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