Styrofoam is a 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.

DuPont ™ Styrofoam ™ Brand Cavitymate ™ Ultra Extruded Polystyrene Insulation is an XPS foam insulation board with an R-value of 5.6 per inch. It features square edges on all four sides that makes it easy to fit between brick ties in cavity wall applications.

Feb 24, 2025 · Styrofoam (XPS): Created by extruding molten polystyrene through a die under pressure, forming a denser, more durable foam with better insulating properties. At first glance, they might seem like identical twins, but when you look closer, their textures, structures, and …

4 Inch 24-Pack Foam Circles for Crafts (1" Thick), Polystyrene Round Foam Disc for DIY Projects, Cakes and Decorations, Sculpture, Modeling, Arts and Crafts Supplies. (White)

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May 10, 2024 · Styrofoam is a lightweight and versatile material that is commonly used in packaging, insulation, and construction. It is a type of expanded polystyrene (EPS), which is a petroleum-based plastic known for its excellent insulating properties. Styrofoam is often recognized by its trademark blue color and distinctive texture.

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Jan 26, 2024 · Expanded polystyrene foam (EPS), commonly known as Styrofoam, is a lightweight material used to make thermal insulation, packing peanuts, and food takeout ware. Most polystyrene food containers are used once and discarded, ending up as landfill trash or as litter (Community Environmental Council, 2020). 2.

Jun 20, 2024 · Styrofoam is the trademark of DuPont, a chemical company that focuses on producing extruded polystyrene. Therefore, Styrofoam is simply a type of polystyrene. Sure, they may closely resemble each other, but they have a few key differences.