pour foam 2 lb closed cell expanding polyurethane coast guard approved (2 gallon) fiberglass warehouse <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>