Open or Closed Cell Foam

Open or Closed Cell Foam

In open cell foam only a few percent of the finished product is plastic and the rest is mostly carbon dioxide trapped within the structure. These foams typically are light and only weight .5-.6 pounds per cubic foot. The general definition in the industry for open cell foam is that greater than 50% of the cells are open.

Closed cell foam forms in a similar manner, but a majority of the cells in closed cell foam are independent from the other cells in that they have their own cell structure and do not share any of their structure with other cells. The resulting foam has a much higher plastic content and less air/gas content. The foam is strong and rigid and typically weighs in the 1.7-2.0 pound per cubic foot range. The general definition in the industry for closed cell foam is that greater than 90% of the cells are closed.

There’s no question energy efficient appliances and home improvements help the environment and create savings on our utility bills.

When it comes to keeping heating and cooling costs in check, insulation is the first line of defense. In the winter, heated air moves from living spaces to attics, garages, and the great outdoors. Heating systems fire up to replace all that lost heat. In the summer, air conditioners kick on as heat moves from the outside in.


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