Folks, if you've recently upgraded or renewed your annual club membership but it's still not active, please reach out to the BOD or a moderator. The PayPal system has a slight bug which it doesn't allow it to activate the account on it's own.
The foam is either polystyrene, polyurethane, polyisocyanurate or a mixture of these. If it comes in a can, the likelihood are the last two, and most likely just polyurethane. There is a gas that gets entrapped in the closed cells or the foam that will outgas over time, but the release is sooooo...