Q. Why would I use the 8# density foam over the 2# and 4# foams?
The 8# density foam should not be used for flotation. 8# density foam is great for things that require additional structural support. See 2# pour foams and 4# pour foams for flotation needs.
Q. How much will the 8# density foam expand once cured?
Pour foam only expands while it is curing. One half gallon of 8# foam yields one half cubic foot.
Q. What is the shelf life of 8# density foam?
Polyurethane pour foam has a six month shelf life. To protect pour foam during its shelf life, you can use an aerosol nitrogen blanket, which forms a protective barrier to prevent humidity contamination.
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