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 …

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

Foam board insulation can be used in many parts of your home to improve comfort and energy efficiency. It works great for areas like garage, camper/rv/trailer, and exterior sheathing.

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.

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.

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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 …

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 …

STYROFOAM™ 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 products …

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 water barriers.