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2. Willet Hauser Architectural Glass - Wikipedia

   en.wikipedia.org/wiki/Willet_Hauser...

   Henry Willet created the first sculptured gold window between 1948–49. When first devised, the sculptured gold overlay was based on leaded stained glass windows. Later, faceted glass set in epoxy resin was used. These glasses, about an inch in thickness, but possibly up to two inches for special effects, contribute great brilliance of color ...

3. Skylight - Wikipedia

   en.wikipedia.org/wiki/Skylight

   Contemporary skylights using glass infill (windows) typically use sealed insulating glass units (IGU) made with two panes of glass. These types of products are NFRC-ratable for visible transmittance. Assemblies with three panes can sometimes be cost-justified in the coldest climate zones, but they lose some light by adding the third layer of glass.

4. Poly(methyl methacrylate) - Wikipedia

   en.wikipedia.org/wiki/Poly(methyl_methacrylate)

   PMMA is also known as acrylic, acrylic glass, as well as by the trade names and brands Crylux, Hesalite, Plexiglas, Acrylite, Lucite, and Perspex, among several others . This plastic is often used in sheet form as a lightweight or shatter-resistant alternative to glass. It can also be used as a casting resin, in inks and coatings, and for many ...

5. Picture framing glass - Wikipedia

   en.wikipedia.org/wiki/Picture_framing_glass

   Acrylic is also light weight, compared to glass, and is shatter-resistant, making acrylic an attractive choice for framing large, oversized works of art. In general, acrylic sheet scratches easily and retains a static charge, which can be problematic when framing pastels or charcoals.

6. Window - Wikipedia

   en.wikipedia.org/wiki/Window

   A window is an opening in a wall, door, roof, or vehicle that allows the exchange of light and may also allow the passage of sound and sometimes air.Modern windows are usually glazed or covered in some other transparent or translucent material, a sash set in a frame [1] in the opening; the sash and frame are also referred to as a window. [2]

7. Glazing (window) - Wikipedia

   en.wikipedia.org/wiki/Glazing_(window)

   The ideal gap size varies by location, but on average it ranges from 15-18 mm thick, giving a final assembly size of 23-26 mm assuming a typical glazing thickness of 4 mm. [9] A double-paned window with air in the gap has an R-value of 2.1, which is much better than the 0.9 that a single pane of glass yields. A triple-paned window, which is not ...