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 …

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Each type comes with unique advantages: • Expanded Polystyrene. Also called Styrofoam insulation, this is the least expensive material. It provides R-values that range from 3.6 to 4.2 per inch. Some …

Feb 24, 2025 · What is Styrofoam? It’s more than just foam cups! Learn about EPS, XPS, and #4 Styrofoam, their differences, and whether they can be recycled.

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.

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 …

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 material category.

Universal Foam Products is a national supplier of expanded polystyrene and extruded polystyrene products. We are experts in the foam industry. Our foam products are available in blocks, sheets and …

Oct 29, 2025 · Trademarked as polystyrene foam and owned by The Dow Chemical Company, Styrofoam is a lightweight, shock-absorbing, and top-notch insulator. It's not just packaging material; …

Discover all Styrofoam products across categories. Enjoy savings with free shipping on qualified items and explore same-day in-store pickup options.