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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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.

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.

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 …

Styrofoam™ is an entirely different material – a rigid board insulation invented in 1941, trademarked and, until a major reformulation in late 2023, known for its distinctive blue color.

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STYROFOAM™ Brand Foam is a registered trademark of the DuPont Chemical Company (“DuPont”) or an affiliated company of DuPont. The trademark covers a full range of extruded polystyrene building …

May 4, 2023 · Styrofoam is made by expanding polystyrene, a petroleum-based polymer, with a blowing agent like pentane or carbon dioxide. The process creates a lightweight foam with trapped air …

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 …