LAST-A-FOAM® CFC-free rigid foam products are cost-effective, versatile, and specially formulated from basic raw materials in our plant at Tacoma, Washington. These products, manufactured in a unique, proprietary process, are notably uniform and consistent in all physical properties. Since we control our own chemical formulas and raw material supplies, we assure consistent quality. General Plastics offers a wide range of foam types, in multiple densities, available in a broad variety of physical forms. This allows matching foam properties to customer needs while keeping material and manufacturing costs under control. What to look for in foam.