Overview of Key Commercial Roof Insulation Options: Extruded Polystyrene (XPS): A rigid foam board known for moisture resistance, consistent thermal performance, and high compressive strength, ideal ...

The suit claims Atlanta-based WinCup continues to sell, distribute and market foam products in California despite a state law ...

Expanded polystyrene foam is made from petroleum waste products, he said, but that impact is offset because the homes are expected to last centuries — far longer than contemporary homes made of ...