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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 …

  2. Amazon.com: Styrofoam

    Browse polystyrene foam blocks suitable for sculptures, models, and event displays. Versatile crafting solutions available.

  3. DuPont™ Styrofoam™ Brand XPS Insulation

    Since its invention in 1941, Styrofoam™ Brand extruded polystyrene (XPS) has built a rich, storied heritage as an innovative, …

  4. Foam Board Insulation - The Home Depot

    Foam board insulation can be used in many parts of your home to improve comfort and energy efficiency. It works great for areas …

  5. What is Styrofoam? The Ultimate Guide - Shenbo

    Jun 24, 2026 · Discover what Styrofoam truly is in our guide. Clear up EPS vs XPS confusion, learn its composition, construction & …

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

    Jul 8, 2026 · Styrofoam is made of styrene, a petroleum-based substance refined into a polymer called polystyrene. Through an …

  7. Styrofoam Board Insulation for Lightweight Panels | Lowe's

    Shop insulation and accessories at Lowe’s to find panels for your next building project. These STYROFOAM Board Insulation are the …

  8. STYROFOAM Building Supplies at Lowes.com

    Find STYROFOAM building supplies at Lowe's today. Shop building supplies and a variety of building supplies products online at …

  9. Universal Foam - Expanded Polystyrene (EPS) and STYROFOAM Brand …

    STYROFOAM™ is a registered trademark of the DuPont Chemical Company (“DuPont”) or an affiliated company of DuPont. The …

  10. Polystyrene - Wikipedia

    The trademark Styrofoam by Dow Chemical Company is informally used (mainly US & Canada) for all foamed polystyrene products, …