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  1. Styrofoam - Wikipedia

    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 …

  2. Foam Board Insulation - The Home Depot

    Foam board insulation is a rigid panel made from expanded polystyrene (EPS), extruded polystyrene (XPS), or polyisocyanurate (polyiso). It improves a home's energy efficiency by …

  3. Amazon.com: Styrofoam

    Premium Dry Floral Foam Blocks (3ct) - Green Foam for Flower Arrangements - Styrofoam Block for Artificial Flowers and Plant Decoration, Great for Crafts, Green Foam Bricks, Florist Foam …

  4. What Is Styrofoam? The Truth About EPS, XPS, and #4 Foam

    3 days ago · Styrofoam is made of styrene, a petroleum-based substance refined into a polymer called polystyrene. Through an extrusion process, 98% air is introduced to the plastic, creating …

  5. STYROFOAM Board Insulation at Lowes.com

    If you’re interested in insulating with STYROFOAM, note that STYROFOAM insulation is a type of extruded insulation. Polyisocyanurate is another option, coming in as the densest and most …

  6. What is Styrofoam? The Ultimate Guide [2025 June Updated]

    Jun 4, 2025 · Demystify Styrofoam! Our ultimate guide explains what Styrofoam (XPS) truly is, its key properties, how it differs from EPS foam, and its diverse uses, updated for June 2025.

  7. DuPont™ Styrofoam™ Brand XPS Insulation

    Since its invention in 1941, Styrofoam™ Brand extruded polystyrene (XPS) has built a rich, storied heritage as an innovative, sustainable building product – creating an entire insulation …

  8. What is Styrofoam And Styrofoam Advantages - recyclingtoday.org

    Styrofoam is created through a process of expanding small polystyrene beads by adding heat, which causes the material to puff up and form a solid, closed-cell foam structure. This …

  9. Extruded Polystyrene Foam vs. Styrofoam: What's the Difference?

    Styrofoam is a trademarked brand of closed-cell extruded polystyrene foam, or XPS. This foam is also referred to as “Blue Board” and is used for building insulation, thermal insulation and …

  10. How Is Styrofoam (Polystyrene Foam) Made? - YouTube

    Ever wondered how Styrofoam is made? Dive into the fascinating journey of polystyrene foam, from tiny resin beads to lightweight, versatile products. Learn a...