
XPS insulation, or extruded polystyrene, is a rigid foam board known for its strength, moisture resistance, and long-lasting thermal performance. Builders often reuse XPS panels from old construction projects because the material keeps its shape and insulation value even after years of use. It can serve well in new wall assemblies, under concrete slabs, or as insulation for sheds, garages, and tiny homes. People also cut it into smaller sections for craft projects, shipping protection, or DIY insulation around windows and pipes. XPS offers a durable and versatile option for many building and insulation needs.
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