As team-closed-cell-foam as I am, I certainly won’t be doing winter trips armed with only an R value of 2. You can set yourself up for all seasons while saving yourself the weight when the weather is ...

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 ...

Closed cell spray foam density is measured by weight. For example, a 12-in. square box filled with 2-lb. density foam (fully expanded) would weigh two pounds. And a 12-in. square box filled with 3-lb.