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 ...

Then, we have closed-cell foam pads. These are made from dense foam and are primarily used underneath an air-filled pad. They’re pretty much indestructible, so you won’t have to worry about ...

Some air mattresses are designed for outdoor use and can go directly on the ground, but adding a ground cloth or closed-cell foam pad can increase comfort and warmth. The R-value is cumulative ...