Closed-cell polyurethane spray foam is known to be the most common of the two. Its considered a closed cell due to its high R ...

Sleeping pads are no different, which is why inflatable pads typically have higher R values than closed-cell foam pads. Closed-cell foam is made from rubber compounds pressurized with gas to create ...

Half a gallon of wood glue, a pile of random, scattered resistors, or in [Ken]’s case, closed-cell silicone foam. Wanting to avoid this situation he set about trying to make his own silicone ...