<p><strong>Fiberglass Warehouse 2 lb Density Pour Foam</strong> is perfect for flotation, insulation, soundproofing, or filling voids.</p><p>It's <strong>Marine-Grade, approved by the U.S. Coast Guard</strong>, which makes it ideal for use in dock floats, boats or any marine parts in general.</p><p>The <strong>94% Rigid Closed-Cell Foam</strong> helps prevent water and moisture absorption and once cured, it won't be affected by solvents, oil or gas.</p><p>The expanding foam is easy to mix and handle, with a <strong>1:1 Mix Ratio</strong>, 2-part liquid resin component system and that produces foam when mixed together. 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. </p><p>It can be cut to any desired shape or be coated with polyester, epoxy, or vinyl ester resins.</p><p>Pour Foam is a polyurethane, fire retarded, rigid foam system that is designed to meet a variety of requirements without sacrificing product quality. It is waterproof and will have a buoyancy of approximately 300 pounds per gallon, and a density of 2.0 lbs/ft3. </p><p>The unique handling characteristics of the Boat Pour Foam series systems provide ease of mixing by hand or machine and produce a uniform product with excellent cell structure. </p><p><strong>This product does not contain any cfc blowing agents.</strong></p>