🛠️ Transform Your Projects with Foam Power! Compatible with various resins for a robust final layer. Foam expands fully in just 5 minutes! Mix equal parts for a seamless pour experience. Optimal performance at 75°-80°F for best results. Perfect for flotation, soundproofing, and insulation. 1/2 Cubic Foot Yield 2-Part Formula 4LB Density The 4 Lb. Density Expanding Pour Foam is a versatile 2-part polyurethane foam designed for a variety of applications including flotation, soundproofing, and insulation. Each quart kit contains 1 pint of Part A and 1 pint of Part B, yielding 1/2 cubic foot of foam when mixed. Ideal for temperatures between 75°-80°F, this foam expands rapidly and can be laminated with various resins without melting, making it perfect for both professional and DIY projects.