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 …

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 a …

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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 …

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 reducing heat loss or …

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; …

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.

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.

Oct 6, 2024 · What Is Styrofoam? Styrofoam, also known as expanded polystyrene (EPS) or extruded polystyrene (XPS), is a lightweight, rigid, closed-cell foam material made from polystyrene. It is …

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 structure gives …