• 2 lb Density Marine-Grade expanding foam: Closed cell foam, perfect for flotation, insulation, soundproofing, or filling voids. This pour foam is U.S. Coast Guard approved and is ideal for use in dock floats and boat parts. Also great for sculptures, carving, mold making and casting.
• 
  
• Easy mixing and handling: 2-part liquid resin component system with a 1:1 Mix Ratio to produce the expanding polyurethane foam. Starts foaming after 45 seconds of mixing, and 7 minutes to full expansion. Build multiple layers by pouring the mix in separate batches to form strong bonds between layers.
• 
  
• 94% Rigid Closed-Cell Foam: Once the foam is cured, it helps prevent moisture absorption and won’t be affected by solvents, oil or gas. The cured foam can be cut to any desired shape or be coated with polyester, epoxy, or vinyl ester resins.
• 
  
• High-Quality polyurethane foam: This waterproof foam sealant will have a buoyancy of approximately 300 pounds per gallon foot, and a density of 2.0 lbs/ft3. This product does not contain any CFC blowing agents.
• 
  
• Package content: Our Fiberglass Warehouse 2-part Pour Foam includes 2 gallon of each component for a total of 4 gallons. It is a two liquid resin component system that produces foam when mixing part A and B together.